—n. 1. a hooked prolongation that develops during the spawning season on the lower jaw of a male salmon or trout.
2. Mach. a. a thin, wedgelike strip of metal for controlling the area in which a moving part, as the table of a milling machine, slides.
b. a keylike part having a head at each end, used with a matching cotter as a fastening. See diag. under exploded view. 3. (in carpentry or ironwork) a heavy metal strap for fastening two members together.
—v.t. to fasten (parts) together by means of a gib.
Pronunciation: (gib),[key] —n. 1. a cat, esp. a male cat.
2. a castrated cat.