pin-up pin tumbler • pin valve · · · Info · Definitions · Synonyms · Characters · · pin-up · · Text Common · · Latin · · Scripts 6 · · Length Definitions · · · (noun) a very pretty girl who works as a photographer's model. Synonyms: cover girl, lovely. · · Noun Definition 1 (verb) attach with or as if with a pin. Synonyms: pin down, pin up. Example: "Pin up a picture." · · Verb Definition 1 Synonyms · · · cover girl · · Synonym 1 lovely · · Synonym 2 pin down · · Synonym 3 pin up · · Synonym 4 Characters · · - hyphen-minus U+002D i latin small letter i U+0069 n latin small letter n U+006E p latin small letter p U+0070 u latin small letter u U+0075