Dart, v. i. 1. To fly or pass swiftly, as a dart.

2. To start and run with velocity; to shoot rapidly along; as, the deer darted from the thicket.

Dart, v. t. [imp. & p. p. Darted; p. pr. & vb. n. Darting.] 1. To throw with a sudden effort or thrust, as a dart or other missile weapon; to hurl or launch.

2. To throw suddenly or rapidly; to send forth; to emit; to shoot; as, the sun darts forth his beams.

Or what ill eyes malignant glances dart?

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 [Joab] 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. [Obs.] 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.