Definition of galah
: an Australian cockatoo (Eolophus roseicapillus synonym Cacatua roseicapilla) that has the back, wings, and tail gray and the head and underparts various shades of rosy pink, that sometimes is a pest in wheat-growing areas, and that is often kept as a cage bird
Origin and Etymology of galah
borrowed from Gamilaraay and Yuwaalaraay (Australian aboriginal languages of northern New South Wales) gilaa
First Known Use: 1862
Seen and Heard
What made you want to look up galah? Please tell us where you read or heard it (including the quote, if possible).