1. One that moves suddenly and rapidly.
2. See anhinga.
3. Any of various small, often brilliantly colored freshwater fishes of the family Percidae, closely related to the perches and found in eastern North America.

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.