Definitions for sagitta
a small constellation in the northern hemisphere between Cygnus and Aquila and crossed by the Milky Way
any arrowworm of the genus Sagitta
A small autumn constellation of the northern sky, said to resemble an arrow. It lies between the constellations of Vulpecula and Aquila.
Origin: From sagitta.
a small constellation north of Aquila; the Arrow
the keystone of an arch
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
the larger of the two otoliths, or ear bones, found in most fishes
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 Chaetognatha