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Fissirostres

plural noun
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Fis·​si·​ros·​tres | \ ˌfisəˈräˌstrēz \

Definition of Fissirostres

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

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History and Etymology for Fissirostres

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

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Cite this Entry

“Fissirostres.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Fissirostres. Accessed 10 December 2019.

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