/ Dictionary / Index T tail plane: Meaning and Definition of Find definitions for: tail' plane" Pronunciation: [key] — Aeron. Aeron.Chiefly Brit. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tailplane (Thesaurus) tailpipe tailrace Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language