sagitta Meaning, Definition & Usage

  1. noun a small constellation in the northern hemisphere between Cygnus and Aquila and crossed by the Milky Way
  2. noun any arrowworm of the genus Sagitta

WordNet

Sa*git"ta noun
Etymology
L., an arrow.
Definitions
  1. (Astron.) A small constellation north of Aquila; the Arrow.
  2. (Arch.) The keystone of an arch. R. gwitt.
  3. (Geom.) The distance from a point in a curve to the chord; also, the versed sine of an arc; -- so called from its resemblance to an arrow resting on the bow and string. Obs.
  4. (Anat.) The larger of the two otoliths, or ear bones, found in most fishes.
  5. (Zoöl.) A genus of transparent, free-swimming marine worms having lateral and caudal fins, and capable of swimming rapidly. It is the type of the class Chætognatha.

Webster 1913