1. A stout rounded pole of wood or metal used to support rigging.
2. A stout rounded usually wood or metal piece (as a mast, boom, gaff, or yard) used to support rigging; any of the main longitudinal members of the wing of an airplane that carry the ribs

ETYM Old Eng. sparren, as. sparrian; akin to German sperren, Icel. sperra; from the noun. Related to Spara beam, bar.
1. To box lightly.
2. To fight verbally.
3. To fight with spurs; of gamecocks in cockfights.

A member of the women's reserve of the United States Coast Guard

Any of various nonmetallic usually cleavable and lustrous minerals
Any of various nonmetallic minerals (calcite or feldspar) that are light in color and transparent or translucent and cleavable.

1. A movement of offense or defense in boxing
2. A sparring match or session

A free tool for auditing processing accounting on UNIX
platforms.