Sagitta

Noun

Sa=git=ta

WORDNET DICTIONARY

sagitta(n = noun.object) - a small constellation in the northern hemisphere between Cygnus and Aquila and crossed by the Milky Way;

is a member of genus sagitta

Sagitta, n. [L., an arrow.].

A small constellation north of Aquila; the Arrow. [1913 Webster]
The keystone of an arch. Gwilt. [1913 Webster]
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. [1913 Webster]
The larger of the two otoliths, or ear bones, found in most fishes. [1913 Webster]
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. [1913 Webster]