Pronunciation: (pin'up"), [key]
1. a large photograph, as of a sexually attractive person, suitable for pinning on a wall.
2. a person in such a photograph.
3. a device or fixture that is fastened to a wall, as a lamp.
1. of, pertaining to, or appearing in a pinup: a pinup girl.
2. designed or suitable for hanging or fastening on a wall: a pinup lamp. Also,pin'-up".
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.