/ Dictionary / Index T trailhead: Meaning and Definition of Find definitions for: trail•head Pronunciation: (trāl'hed"), [key] — n. the point where a trail starts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: trailhead (Thesaurus) trailer truck trail herd Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language