/ Dictionary / Index C cooper: Meaning and Definition of Find definitions for: coop•er Pronunciation: (k'pur, koop'ur), [key] — n. a person who makes or repairs casks, barrels, etc. —v.t. to make or repair (casks, barrels, etc.). to furnish or fix (usually fol. by up). —v.i. to work as a cooper. Coo•per Pronunciation: (k'pur, koop'ur), [key] — n. See 1865–1937, U.S. hydraulic engineer. 1789–1851, U.S. novelist. born 1930, U.S. physicist: Nobel prize 1972. 1791–1833, U.S. inventor, manufacturer, reformer, and philanthropist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cooper (Thesaurus) co-op cooperage Related Content Daily Word Quiz: pertinent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language