rook
Preserved but no longer current.
Meaning · English
A cheat: probably from the thievish disposition of the birds of that name. Also the cant name for a crow used in house-breaking. To rook; to cheat, particularly at play.
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 “rook” mean?
A cheat: probably from the thievish disposition of the birds of that name. Also the cant name for a crow used in house-breaking. To rook; to cheat, particularly at play.
Is “rook” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.