The Collaborative International Dictionary of English v.0.48:

lincomycin \lincomycin\ n.
   An antibacterial antibiotic obtained from the bacterium
   Streptomyces lincolnensis and used in the treatment of
   certain penicillin-resistant infections.
   [WordNet 1.5] Lincture

WordNet (r) 3.0 (2006):

lincomycin
    n 1: antibiotic (trade name Lincocin) obtained from a
         streptomyces bacterium and used in the treatment of certain
         penicillin-resistant infections [syn: lincomycin,
         Lincocin]