/ Dictionary / Index T tome: Meaning and Definition of Find definitions for: tome Pronunciation: (tōm), [key] — n. a book, esp. a very heavy, large, or learned book. a volume forming a part of a larger work. -tome Pronunciation: [key] a combining form with the meanings “cutting instrument” (microtome; osteotome), “segment, somite” (sclerotome), used in the formation of compound words. Cf. tomo-, -tomous, -tomy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tome (Thesaurus) Tom, Dick, and Harry tomentose Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language