How do you spell Jamb

Available Definitions:
1)  n. - The vertical side of any opening, as a door or fireplace; hence, less properly, any narrow vertical surface of wall, as the of a chimney-breast or of a pier, as distinguished from its face.
2)  n. - Any thick mass of rock which prevents miners from following the lode or vein.
3)  v. t. - See Jam , v. t.