"spars" in the noun sense
any of various nonmetallic minerals (calcite or feldspar) that are light in color and transparent or translucent and cleavable
a stout rounded pole of wood or metal used to support rigging
3. spar, sparring
making the motions of attack and defense with the fists and arms a part of training for a boxer
"spars" in the verb sense
furnish with spars
fight with spurs
"the gamecocks were sparring"
"They were sparring all night"
Source: WordNet® (An amazing lexical database of English)
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