acorn

Preserved but no longer current.

Meaning · English

You will ride a horse foaled by an acorn, i.e. the gallows, called also the Wooden and Three-legged Mare. You will be hanged.--See THREE-LEGGED MARE.

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 “acorn” mean?

You will ride a horse foaled by an acorn, i.e. the gallows, called also the Wooden and Three-legged Mare. You will be hanged.--See THREE-LEGGED MARE.

Is “acorn” formal or informal?

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