sagitta
n. அம்புவடிவ வடமீன்குழு.
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.