gunmetal
oxford
views updated May 17 2018gun·met·al / ˈgənˌmetl/ •
n. a gray, corrosion-resistant form of bronze containing zinc, formerly used for making cannon. ∎ (also gunmetal gray) a dark blue-brown gray color: [as adj.] the river glinted brass under a gunmetal sky.
The Oxford Pocket Dictionary of Current English