/ Dictionary / Index T three-ply: Meaning and Definition of Find definitions for: three-ply Pronunciation: (thrē'plī'), [key] — adj. consisting of three thicknesses, laminations, strands, or the like. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: three-ply (Thesaurus) three-piece three-point landing Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language