What is "cupule"

Cupule \Cu"pule\ (k?"p?l), n. [See Cupola.]

1. (Bot.) A cuplet or little cup, as of the acorn; the husk or bur of the filbert, chestnut, etc.

2. (Zo["o]l.) A sucker or acetabulum.

n. Any small structure shaped like a cup, such as at the base of an acorn, or the sucker on the feet of some flies

1. n. cup-shaped structure of hardened bracts at the base of an acorn [syn: acorn cup]

2. a sucker on the feet of certain flies

A cupule is a small structure shaped like a cup, including:

• In archeology: a circular man-made hollow on the surface of a rock or a rock slab; also a cupstone.
• In botany: the base of an acorn, see calybium and cupule.
• In entomology:
  • A sucker on the feet of some flies.
  • A structure on the head of certain aquatic beetles.