- a raw egg, or the yolk of a raw egg, often mixed with seasonings, as salt, pepper, Worcestershire sauce, and used as a hangover remedy.
- the testis of a calf used as food.
Compare mountain oyster.
Origin of prairie oyster
First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a drink consisting of raw unbeaten egg, vinegar or Worcester sauce (Worcester oyster), salt, and pepper: a supposed cure for a hangover
- the testicles of a bull calf cooked and eaten