Yes, spars is a Scrabble word!

Verb

1. Furnish with spars

2. Fight with spurs

3. Box lightly

4. Fight verbally

Noun

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

2. A stout rounded pole of wood or metal used to support rigging

3. Making the motions of attack and defense with the fists and arms; a part of training for a boxer