/ Dictionary / Index T tubocurarine: Meaning and Definition of Find definitions for: tu•bo•cu•ra•rine Pronunciation: (t"bō-kyoo-rär'ēn, -in, ty"-), [key] — n. Pharm. the principal active alkaloid of curare, CHClNO, used as a muscle relaxant, esp. as an adjunct to anesthesia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tubocurarine (Thesaurus) tubman tuboid Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language