/ Dictionary / Index T tincal: Meaning and Definition of Find definitions for: tin•cal Pronunciation: (ting'käl, -kôl), [key] — n. a former name for crude native borax. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Tinbergen tin can Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language