/ Dictionary / Index P precancel: Meaning and Definition of Find definitions for: pre•can•cel Pronunciation: (prē-kan'sul), [key] — v., n. -celed, -cel•ing -celled, -cel•ling, —v.t. to cancel (a stamp) before placing it on a piece of postal matter. —n. a precanceled stamp. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Precambrian precancerous Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language