any of several broad-winged, soaring hawks of the genus Buteo and allied genera, esp. B. buteo, of Europe.

any of several New World vultures of the family Cathartidae, esp. the turkey vulture.

Slang . a contemptible or cantankerous person (often prec. by old )

That old buzzard has lived in the same shack for twenty years.

Obsolete . senseless; stupid.