1. a small, slender, often pointed piece of wood, metal, etc., used to fasten, support, or attach things.
2. a short, slender piece of wire with a point at one end and a head at the other, for fastening things together.
3. any of various forms of fasteners or ornaments consisting essentially or partly of a pointed or penetrating wire or shaft (often used in combination): a jeweled pin.
4. a badge having a pointed bar or pin attached, by which it is fastened to the clothing: a fratern
"wills can be pin."
"polices can be pin."
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