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n. One of the stiff main feathers of a bird's tail, used to control the direction of flight.

n. A governess; a rectoress.

n. A flight feather on the tails of birds, used for directional control.

n. A governess; a rectoress.

n. One of the quill feathers of the tail of a bird.

n. Same as rectoress.

n. In ornithology, a tail-feather; one of the long or large quill-feathers of a bird's tail: so called from its use in directing or steering the course of a bird in flight, like a rudder.

"_P.c. amoenissima_, and the black at the base of the inner webs of the outermost rectrix does not extend beyond the tip of the under tail coverts."

governess    rectoress