ˈcock-ˌmetal
[f. cock n.1]
A soft alloy consisting of two parts of copper and one of lead, used esp. for cocks or taps, whence the name.
| 1822 J. Imison Sci. & Art II. 228 Cock metal is made with copper alloyed with zinc and lead. 1864 Athenæum No. 1937. 788/1 Casts in cock-metal. |