rectrix

noun

rec·trix ˈrek-triks How to pronounce rectrix (audio)

plural rectrices ˈrek-trə-ˌsēz How to pronounce rectrix (audio)

rek-ˈtrī-(ˌ)sēz

: any of the quill feathers of a bird's tail that are important in controlling flight direction see bird illustration

Did you know?

Although "rectrix" (from the Latin word rectrix, the feminine of rector, meaning "one that directs") has been an English word since the late 18th century, it has clung to its Latin plural rectrices. This is not terribly unusual for a technical term like "rectrix." (Note also "cilium," whose more common plural "cilia" refers especially to the hairlike extensions on the exterior of some cells.) "Rectrix" has another meaning wholly unrelated to birds. It's also used (albeit rarely) to refer to a woman who rules or governs.

Word History

Etymology

New Latin, from Latin, feminine of rector one that directs

First Known Use

1813, in the meaning defined above

单词	rectrix
释义	rectrix noun rec·trix ˈrek-triks plural rectrices ˈrek-trə-ˌsēz rek-ˈtrī-(ˌ)sēz : any of the quill feathers of a bird's tail that are important in controlling flight direction see bird illustration Did you know? Although "rectrix" (from the Latin word rectrix, the feminine of rector, meaning "one that directs") has been an English word since the late 18th century, it has clung to its Latin plural rectrices. This is not terribly unusual for a technical term like "rectrix." (Note also "cilium," whose more common plural "cilia" refers especially to the hairlike extensions on the exterior of some cells.) "Rectrix" has another meaning wholly unrelated to birds. It's also used (albeit rarely) to refer to a woman who rules or governs. Word History Etymology New Latin, from Latin, feminine of rector one that directs First Known Use 1813, in the meaning defined above
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