double lines

Preserved but no longer current.

Meaning · English

Ship casualties. So called at Lloyd’s from the manner of entering in books kept for the purpose.

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 “double lines” mean?

Ship casualties. So called at Lloyd’s from the manner of entering in books kept for the purpose.

Is “double lines” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.