Category:Sagitta

Sa*git"ta, n. Etym: [l., an arrow.]

1. (astron.)

Defn: a small constellation north of aquila; the arrow.

2. (arch.)

Defn: the keystone of an arch. [r.] gwitt.

3. (geom.)

Defn: 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.)

Defn: the larger of the two otoliths, or ear bones, found in most Fishes.

5. (zoöl.)

Defn: 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.