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The Collaborative International Dictionary

Colet \Col"et\, Collet \Col"let\ [Corrupted fr. acolyte.] An inferior church servant. [Obs.] See Acolyte.


Collet \Col"let\, n. [F. collet, dim. fr. L. collum neck. See Collar.]

  1. A small collar or neckband.

  2. (Mech.) A small metal ring; a small collar fastened on an arbor; as, the collet on the balance arbor of a watch; a small socket on a stem, for holding a drill.

  3. (Jewelry)

    1. The part of a ring containing the bezel in which the stone is set.

    2. The flat table at the base of a brilliant. See Illust. of Brilliant.

      How full the collet with his jewel is!

Douglas Harper's Etymology Dictionary

1520s, from French collet "little collar," diminutive of col "neck," from Latin collum (see collar (n.)).


Etymology 1 n. 1 A band, flange, ferrule, or collar, usually of a hard material, especially a metal. 2 In particular, the rim (of a ring) within which a jewel is set. Compare ''bezel''. 3 Horticulture: the transition zone on a plant between the root and the hypocotyl. Etymology 2

n. (alternative form of colet English)

  1. n. a metal cap or band placed on a wooden pole to prevent splitting [syn: ferrule]

  2. a cone-shaped chuck used for holding cylindrical pieces in a lathe [syn: collet chuck]

  3. a band or collar that holds an individual stone in a jewellery setting


A collet is a subtype of chuck that forms a collar around an object to be held and exerts a strong clamping force on the object when it is tightened, usually by means of a tapered outer collar. It may be used to hold a workpiece or a tool.

An external collet is a sleeve with a (normally) cylindrical inner surface and a conical outer surface. The collet can be squeezed against a matching taper such that its inner surface contracts to a slightly smaller diameter, squeezing the tool or workpiece whose secure holding is desired. Most often this is achieved with a spring collet, made of spring steel, with one or more kerf cuts along its length to allow it to expand and contract. An alternative collet design is one that has several tapered steel blocks (essentially tapered gauge blocks) held in circular position (like the points of a star, or indeed the jaws of a jawed chuck) by a flexible binding medium (typically synthetic or natural rubber). The Jacobs Rubber-Flex brand is a name that most machinists would recognize for this type of collet chuck system. Regardless of the collet design, the operating principle is the same: squeeze the collet against the tool or workpiece to be held, resulting in high static friction. Under correct conditions, it holds quite securely.

An internal collet can be used to lock two telescoping tubes together. In this case the collet is in the form of a truncated cone drilled and threaded down the centreline. The collet diameter matches the bore of the inner tube, having the larger end slightly greater than the bore while the smaller diameter is slightly less than the bore. A threaded stud, anchored at its other end to the tube, is then used to pull the collet into the tube. The increasing diameter of the collet forces the inner tube to expand and be pushed against the inner wall of the outer tube thus locking the two tubes together. The inner tube is often slotted to facilitate this expansion.

Collet (disambiguation)

A collet is a holding device, a subtype of chuck.

Collet may also refer to:

  • Collet (name)
  • Collet baronets, St Clere in the parish of Ightham in the County of Kent, was a title in the Baronetage of the United Kingdom
  • Collet v. Collet, a Supreme Court of the United States decision
  • The root–hypocotyl transition zone of a plant
  • The Dream Collet, a magical book in the Yes! PreCure 5 anime
Collet (name)

Collet is both a surname and a given name. Notable people with the name include:


  • Bernt Johan Collet (born 1941), eldest son of Chamberlain and Master of the Royal Hunt
  • Cédric Collet (born 1984), French Guadeloupean football midfielder
  • Charles Collet, British Naval airman during the First World War
  • Christopher Collet (born 1968), American actor
  • Clara Collet (1860–1948), British sociologist
  • Frédéric Justin Collet (1870–1966), French pathologist and otolaryngologist
  • Henri Collet (1885–1951), French composer and music critic
  • Hippolyte-Victor Collet-Descotils (1773–1815), French chemist
  • Jaume Collet-Serra (born 1974), Spanish-born American film director
  • John Caskie Collet (1898–1955), United States federal judge in Missouri
  • Mark Collet (disambiguation), multiple people with the name
  • Marie-Josee Collet, the winner of 2007 European Racquetball Championships
  • Philippe Collet (born 1963), retired French pole vaulter
  • Pierre Collet (1914–1977), French film actor
  • Robert Collet (born 1948), French Thoroughbred racehorse trainer
  • Ronald Collet Norman (1873–1963), banker, administrator and politician
  • Sophia Dobson Collet (1822-1894), feminist
  • Stéphane Collet (born 1972), retired French -Malagasy football midfielder
  • Theodore Collet (1901–1984), British rower who competed in the 1928 Summer Olympics

Given name:

  • Collet Barker (1784–1831), military officer and explorer
  • Collet Bou Gergis, birth name of Dina Hayek (born 1975), a popular Lebanese singer
  • Collet Dobson Collet (1812–1898), radical freethinker, Chartist and campaigner against newspaper taxation

Fictional characters:

  • Jérôme Collet, The Da Vinci Code character
  • Collet Brunel, Tales of Symphonia character
Collet (Belize House constituency)

Collet is an electoral constituency in the Belize District represented in the House of Representatives of the National Assembly of Belize since 2003 by Patrick Faber of the United Democratic Party.

Usage examples of "collet".

As feasible as it was, Collet was having trouble believing Sophie Neveu could be involved in anything like that.

He stopped the machine, slapped away collet and tailstock and tried the new rung for size.

Letting his eyes trace the maze of galleries and hallways, Collet found what he was looking for.

After hanging up, he had marched over to Collet and demanded he get Agent Neveu on the line.

Lieutenant Collet loped toward them from the direction of the command post.

Grouard and led Collet to a nearby alcove, addressing him in hushed tones.

Depository Bank of Zurich, Lieutenant Collet wondered what was taking Fache so long to come up with the search warrant.

A truck identical to the one Collet had permitted to leave the Depository Bank of Zurich earlier tonight.

With Fache on the way, Collet had already relinquished any hopes of claiming personal credit for finding Langdon tonight.

Spinning into the room with men pouring in after him, Collet shouted and aimed his weapon at.

Even before they entered, Collet could hear the fading sounds of a car engine.

This wooded valley was probably crisscrossed by dozens of unmapped fire roads and hunting trails, but Collet was confident his quarry would never make the woods.

Villette, Lieutenant Collet watched the dying fire and felt despondent.

PTS had told Collet was associated with the conservative Catholic group Opus Dei, which had caused a stir recently when a news program exposed their aggressive recruiting practices in Paris.

The ladder was an antique tapered design and narrowed as Collet ascended.