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Fissirostres
plural noun
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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Origin and Etymology of fissirostres
New Latin, from fissi- + -rostres (from Latin rostrum beak)
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