Search Result for "gramicidin": 
Wordnet 3.0

NOUN (1)

1. an antibiotic produced by a soil bacterium; used chiefly as an antiseptic in treating local infections produced by Gram-positive bacteria; 



WordNet (r) 3.0 (2006):

gramicidin
    n 1: an antibiotic produced by a soil bacterium; used chiefly as
         an antiseptic in treating local infections produced by
         Gram-positive bacteria