Sa*git"ta (?), n. [L., an arrow.]

1. Astron.

A small constellation north of Aquila; the Arrow.

2. Arch.

The keystone of an arch.

[R.]

gwitt.

3. Geom.

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.

The larger of the two otoliths, or ear bones, found in most fishes.

5. Zool.

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.

 

© Webster 1913.

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