Fissirostres

plural noun

Fis·​si·​ros·​tres

ˌfisəˈräˌstrēz

in former classifications

: a group of birds having the bill deeply cleft, including the swifts, nightjars, swallows, and others, and not representing natural relationships

Word History

Etymology

New Latin, from fissi- + -rostres (from Latin rostrum beak)

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