1a long-necked fish-eating bird related to the cormorants, typically found in fresh water, where they frequently swim submerged to the neck.Also called anhinga, snakebird.
Family Anhingidae and genus Anhinga: four species
2a small fast-moving North American freshwater fish.
Genera Etheostoma and Percina, family Percidae: numerous species
3 (also darter dragonfly) a broad-bodied dragonfly that typically darts out from a perch to grab prey.