A pole or stick, often made of wood or metal, sometimes used to mark a height, such as in high jump, or as a handrail, such as in ballet (where the word is usually spelled “barre”) or Dance Dance Revolution, or as an obstacle.
A quantity of a substance supplied as a bar-shaped piece: a bar of soap; a candy bar.
A shape in which metal is traded, usually prior to further working: bar stock
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Now forget all of these definitions, and try to imagine how they must write about such a “Bar” (or may be we must call it “navy bar” or “aqua bar” ….