Definitions of dart:

noun: a tapered tuck made in dressmaking
noun: a small narrow pointed missile that is thrown or shot
noun: a sudden quick movement
verb: run or move very quickly or hastily
verb: move with sudden speed
Example: "His forefinger darted in all directions as he spoke"
verb: move along rapidly and lightly; skim or dart
name: A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #9349)