Search for crossword answers and clues
Sundial arm
Answer for the clue "Sundial arm ", 6 letters:
gnomon
Alternative clues for the word gnomon
Word definitions for gnomon in dictionaries
WordNet
Word definitions in WordNet
n. indicator provided by the stationary arm whose shadow indicates the time on the sundial
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
"vertical shaft that tells time by the shadow it casts" (especially the triangular plate on a sundial), 1540s, from Latin gnomon , from Greek gnomon "indicator," literally "one who discerns," from gignoskein "to come to know" (see gnostic (adj.)).
Wikipedia
Word definitions in Wikipedia
In geometry , a gnomon is a plane figure formed by removing a similar parallelogram from a corner of a larger parallelogram; or, more generally, a figure that, added to a given figure, makes a larger figure of the same shape.
Wiktionary
Word definitions in Wiktionary
n. 1 The pointer on a sundial. 2 (context geometry English) A plane figure formed by removing a parallelogram from a corner of a larger parallelogram.
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Gnomon \Gno"mon\, n. [L. gnomon, Gr. ? one that knows, the index of a sundial. See Gnome .] (Dialing) The style or pin, which by its shadow, shows the hour of the day. It is usually set parallel to the earth's axis. (Astron.) A style or column erected ...
Usage examples of gnomon.
Shadows cast by innumerable stone towers combed the dark blue water, all pointing in the same transitory direction, as if the stony pinnacles were gnomons to a half-thousand igneous sundials, tracking in unison the serene march of hours, of aeons.
He named stars of the wild goat, or Capricorn, those where the sun, having reached the highest point in his annuary tract, rests at the summit of the horary gnomon, and imitates the goat, who delights to climb the summit of the rocks.
Newton was constructing a sundial on a south-facing wall, using, as gnomon, a slender rod with a ball on the end.