n. 1. [Atlantic: cf. OED zinc... used for galvanizing sheet iron for roofing etc.] count n. a sheet of corrugated steel roofing: Sometimes zinc are uplifted from roofs [in a hurricane] (COB). = TIN (Gen.)

2. [probably from confusion with sink, but cf. SA zinc kitchen sink (from Afrikaans sink-plaat galvanized iron)] a kitchen sink: The dirty dishes would be in the zincs for days (COB). (Black)

3. [from the use of zinc in galvanizing iron] a washtub, bucket, or pan. (Black)