/ Dictionary / Index T tube pan: Meaning and Definition of Find definitions for: tube' pan" Pronunciation: [key] a circular cake pan having a hollow cone-shaped centerpiece: used for baking ring-shaped cakes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tube-nosed tuber Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language