Stead′y-pin.
1. (Founding.) One of the pins — generally three or four, in one flask — which, by fitting into holes in the lugs of another, enable the two parts to be restored to their original position after the pattern is drawn. This term is also applied to the dowels or pins which hold patterns together when the whole is made in two or more parts, for convenience in molding. 2. A dowel-pin in a sectional structure.