Search Result for "gunmetal": 
Wordnet 3.0

NOUN (1)

1. a type of bronze used for parts subject to wear or corrosion (especially corrosion by sea water); 



WordNet (r) 3.0 (2006):

gunmetal
    n 1: a type of bronze used for parts subject to wear or
         corrosion (especially corrosion by sea water)