mountain oyster
noun
the testis of a calf, sheep, pig, etc., used as food.
Origin of mountain oyster
1An Americanism dating back to 1885–90
- Also called Rocky Mountain oyster.
- Compare prairie oyster.
Words Nearby mountain oyster
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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