Having a rump or posterior shaped like or characteristic of a goose; applied to certain body shapes or animal breeds.
Compound of 'goose' and 'rumped' (from 'rump,' the hindquarters), likely a breeding term used to describe the specific body shape of certain goose breeds.
Breeders use incredibly specific descriptive terms like this to identify desirable traits in animals—terms that might seem silly or crude today were serious breeding standards that shaped the animals we know!
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