SAGITTA
sagitta
(noun) any arrowworm of the genus Sagitta
Sagitta
(noun) a small constellation in the northern hemisphere between Cygnus and Aquila and crossed by the Milky Way
Source: WordNet® 3.1
Etymology
Noun
sagitta (plural sagittas)
The keystone of an arch.
(geometry) 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.
(anatomy) The larger of the two otoliths, or ear bones, found in most fishes.
Etymology
Proper noun
Sagitta
(constellation) A small autumn constellation of the northern sky, said to resemble an arrow. It lies between the constellations of Vulpecula and Aquila.
Source: Wiktionary
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