SAGITTAS
Noun
sagittas
plural of sagitta
Source: Wiktionary
SAGITTA
Sa*git"ta, n. Etym: [L., an arrow.]
1. (Astron.)
Definition: A small constellation north of Aquila; the Arrow.
2. (Arch.)
Definition: The keystone of an arch. [R.] gwitt.
3. (Geom.)
Definition: 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.)
Definition: The larger of the two otoliths, or ear bones, found in most
fishes.
5. (Zoöl.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition