/ Dictionary / Index T tass: Meaning and Definition of Find definitions for: tass Pronunciation: (tas), [key] a cup or small goblet, esp. an ornamental one. the contents of a cup or goblet; a small draught, as of liquor. Tass Pronunciation: (tas, täs), [key] a news-gathering agency of the former Soviet Union: merged with an alternative news service to form Itar-Tass (Russian Information Telegraph Agency). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Tasman Sea tassel Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language