/ Dictionary / Index R rectrix: Meaning and Definition of Find definitions for: rec•trix Pronunciation: (rek'triks), [key] — pl. rec•tri•ces one of the tail feathers of a bird controlling direction during flight. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rectory rectum Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language