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.