S / stannum
noun

stannum

gen. stanni · gender neuter · decl. 2nd
(perh. also ; hence 2. stagno and stagneus, v. stanneus)
an alloy of silver and lead
an alloy of silver and lead, Plin. 34, 16, 47, § 159; 33, 9, 45, § 130; Suet. Vit. 5 fin.
Tin
Tin (late Lat. for plumbum album or candidum), Hier. in Zach. 1, 4, 10; Isid. Orig. 16, 22.