pig
Preserved but no longer current.
Meaning · English
A mass of metal,—so called from its being poured in a fluid state from a SOW, which see.—Workman’s term.
Era: ca. 1874 (Victorian)
Where it’s used:
Origin
British & Irish English
Sources & notes
Historical definition reproduced from Hotten’s The Slang Dictionary (1874, public domain; Project Gutenberg #42108, retrieved 2026-07-31). Reflects the attitudes of its era.
Common questions
What does “pig” mean?
A mass of metal,—so called from its being poured in a fluid state from a SOW, which see.—Workman’s term.
Is “pig” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.