/ Dictionary / Index T TT: Meaning and Definition of Find definitions for: TT Pronunciation: [key] Trust Territories (approved esp. for use with zip code). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tt (Thesaurus) Tswana TTL meter Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language