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The meaning of PIN is a piece of solid material (such as wood or metal) used especially for fastening things together or as a support by which one thing may be suspended from another.

Pin definition: a small, slender, often pointed piece of wood, metal, etc., used to fasten, support, or attach things.. See examples of PIN used in a sentence.

PIN meaning: 1. a small thin piece of metal with a point at one end, especially used for temporarily holding…. Learn more.

Define pin. pin synonyms, pin pronunciation, pin translation, English dictionary definition of pin. abbr. personal identification number n. 1. a. A short, straight, stiff piece of wire with a blunt …

Definition of pin noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Apr 27, 2025 · A personal identification number (PIN) is a numerical code used to authenticate a user's identity during electronic financial transactions, primarily associated with payment cards.