/ Dictionary / Index T trachyte: Meaning and Definition of Find definitions for: tra•chyte Pronunciation: (trā'kīt, trak'īt), [key] — n. a fine-grained volcanic rock consisting essentially of alkali feldspar and one or more subordinate minerals, as hornblende or mica: the extrusive equivalent of syenite. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. trachyspermous tracing Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language