Spar
Part of speech: noun
Definition: A stout pole. A general term any linear object used as a mast, sprit, yard, boom, pole or gaff. A beam-like structural member that supports ribs in an aircraft wing or other airfoil. any crystal with no readily discernible faces.
Part of speech: verb
Definition: To fight, especially as practice for martial arts or hand-to-hand combat.
Sparring
Part of speech: verb
Definition: To bolt, bar.
Part of speech: noun
Definition: The act of sparring.
Example sentence: When they throw punches, the breathing, the sparring. The heavy bags being hit. All of that - it was a heavenly sound to me.