/ Dictionary / Index T tail covert: Meaning and Definition of Find definitions for: tail' cov"ert Pronunciation: [key] any of the feathers concealing the bases of a bird's tail feathers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tail cone tailed Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language