plural noun

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


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

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Dictionary Entries Near Fissirostres

Cite this Entry

“Fissirostres.” Dictionary, Merriam-Webster, Accessed 28 Nov. 2023.

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