• An old name for a nonmetallic mineral, usually cleavable and somewhat lustrous; as, calc spar, or calcite, fluor spar, etc. It was especially used in the case of the gangue minerals of a metalliferous vein. • A general term any round piece of timber used as a mast, yard, boom, or gaff. • Formerly, a piece of timber, in a general sense; -- still applied locally to rafters. • The bar of a gate or door. • To bolt; to bar. • To To supply or equip with spars, as a vessel. • To strike with the feet or spurs, as cocks do. • To use the fists and arms scientifically in attack or defense; to contend or combat with the fists, as for exercise or amusement; to box. • To contest in words; to wrangle. • A contest at sparring or boxing. • A movement of offense or defense in boxing.