tree swift: Meaning and Definition of

tree' swift"

Pronunciation: [key]
  1. any of several birds of the family Hemiprocnidae, of southeast Asia and the East Indies, related to the true swifts but differing in having erectile crests and the habit of perching in trees. Also called crested swift.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.