noun, plural rec·tri·ces [rek-trahy-seez, rek-truh-seez]. /rɛkˈtraɪ siz, ˈrɛk trəˌsiz/. Ornithology.
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Origin of rectrix
OTHER WORDS FROM rectrixrec·tri·cial [rek-trish-uhl], /rɛkˈtrɪʃ əl/, adjective
Words nearby rectrix
Example sentences from the Web for rectrix
Rectrix, rek′triks, n. one of the long tail-feathers of a bird, so called because used in steering the bird in its flight:—pl.
The exterior rectrix is entirely black; the second has a clear brown stripe on the inside border.Argentine Ornithology, Volume II (of 2)|P. L. Sclater
The outermost rectrix of No. 31633 is wholly white; the second rectrix is nearly as white.Birds from Coahuila, Mexico|Emil K. Urban