/ Dictionary / Index T Tannenbaum*: Meaning and Definition of Find definitions for: Tan•nen•baum Pronunciation: (tä'nun-boum" Eng. tan'un-boum"), [key] — pl. -bäu•me -baums. a Christmas tree. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tannate Tannenberg Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language