/ Dictionary / Index L lincomycin: Meaning and Definition of Find definitions for: lin•co•my•cin Pronunciation: (ling"ku-mī'sin), [key] — n. Pharm. a toxic antibiotic, CHNOS, isolated from Streptomyces lincolnensis, used in its hydrochloride form for the treatment of serious Gram-positive penicillin-resistant infections. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lincomycin (Thesaurus) Lincolnwood Lind Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language