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
Yuwaalaraay (Australian aboriginal language of northern New South Wales) gilaa
First Known Use: 1862
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