mud lark

Preserved but no longer current.

Meaning · English

A fellow who goes about by the water side picking up coals, nails, or other articles in the mud. Also a duck.

Era: ca. 1811 (Georgian)

Where it’s used: Origin British & Irish English
Sources & notes

Historical definition reproduced from Grose’s Dictionary of the Vulgar Tongue (1811 edition, public domain; Project Gutenberg #5402, retrieved 2026-07-31). Reflects the attitudes of its era.

Common questions

What does “mud lark” mean?

A fellow who goes about by the water side picking up coals, nails, or other articles in the mud. Also a duck.

Is “mud lark” formal or informal?

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