dart 
(därt)
(därt)n.
1.
a. A slender, pointed missile, often having tail fins, thrown by hand, shot from a blowgun, or expelled by an exploding bomb.
b. darts (used with a sing. or pl. verb) Games A game in which such missiles are thrown at a target.
c. An object likened to such a missile.
2. The stinger of an insect.
3. A sudden, rapid movement: He made a dart for the door.
4. A tapered tuck sewn to adjust the fit of a garment.
v. dart·ed, dart·ing, darts
v. intr.
1. To move suddenly and rapidly: The dog darted across the street.
2. To be directed suddenly and rapidly: His eyes darted around the room.
v. tr.
1. To cause to dart: The squirrel darted its head from side to side.
2.
a. Archaic To throw or cast (a dart or missile).
b. To cast (a look or the eyes) suddenly and rapidly in a direction.
3. To shoot (an animal, for example) with a dart, especially to inject a drug.
[Middle English, from Old French, of Frankish origin; akin to Old English daroth and Old High German tart, javelin, throwing spear.]