Pronunciation: (fas'u-nur, fä'su-), [key]
1. any of various devices for fastening.
2. any of various devices, as a snap or hook and eye, for holding together two objects or parts sometimes required to be separate, as two edges or flaps of a piece of clothing.
3. a worker who fastens things together.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.