ˈ ̷ ̷ˌ ̷ ̷ noun
: a nocturnal bird ( Steatornis guácharo ) of northern So. America and Trinidad that is related to the goatsuckers and in some characters to the owls, nests in caverns, feeds chiefly on oily fruits of various nut palms, is believed to employ a form of echo-location comparable to that of bats, and has fatty young from which an oil is extracted for use instead of butter — called also guacharo