Meaning of dust-bathe

dust-bathe

Pronunciation: (dust'bā"), [key]
— -bathed, -bath•ing.
  1. (of a bird) to squat in dusty soil and fluff dust through the plumage: probably performed to combat ectoparasites.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.