(1):

(n.) One who darts, or who throw darts; that which darts.

(2):

(n.) The snakebird, a water bird of the genus Plotus; - so called because it darts out its long, snakelike neck at its prey. See Snakebird.

(3):

(n.) A small fresh-water etheostomoid fish. The group includes numerous genera and species, all of them American. See Etheostomoid.