Dart (?), n. [OF. dart, of German origin; cf. OHG. tart javelin, dart, AS. dara�, daro�, Sw. dart dagger, Icel. darra�r dart.] 1. A pointed missile weapon, intended to be thrown by the hand; a short lance; a javelin; hence, any sharp-pointed missile weapon, as an arrow.
And he took three darts in his hand, and thrust them through the heart of Absalom. 2 Sa. xviii. 14.
2. Anything resembling a dart; anything that pierces or wounds like a dart.
The artful inquiry, whose venomed dart
Scarce wounds the hearing while it stabs the heart. Hannan More.
3. A spear set as a prize in running. Chaucer.
4. (Zoöl.) A fish; the dace. See Dace.
Dart sac(Zoöl.), a sac connected with the reproductive organs of land snails, which contains a dart, or arrowlike structure.