/ Dictionary / Index A aventail: Meaning and Definition of Find definitions for: av•en•tail Pronunciation: (av'un-tāl"), [key] — n. Armor. Also calleda mail tippet suspended from the lower edges of a 14th-century basinet as a protection for the neck, throat, and shoulders. ventail. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aventail (Thesaurus) avens Aventine Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language