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, tree-swift . Also called crested swift .
TREE SWIFT
Meaning of TREE SWIFT in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012