A stall or compartment in a stable where a cow or horse is kept, or an archaic term for an animal's drinking trough.
From Middle Dutch 'bûse' or Old French 'bouse,' related to drinking and drinking vessels. The term originally meant a drinking place for animals before narrowing to mean a stall itself.
The word 'boose' for a stable stall is completely unrelated to 'booze' (alcohol), but they both come from medieval drinking culture—one was where animals drank, the other was where humans did! Etymology can trick you.
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