- A male of the species Philomachus pugnax; a highly gregarious, medium-sized wading bird of Eurasia. The female is a Reeve.
- Any of several freshwater fish, of the genus Acerina, similar to perch
- A circular frill or ruffle on a garment, especially a starched, fluted neckware in Elizabethan and Jacobean England
- A card game similar to whist, and the predecessor of it ruff and honours
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