whirlbat

from The Century Dictionary.

• noun The ancient cestus, a kind of boxing-glove used by Greek and Roman athletes. See cuts under cestus, 2

from the GNU version of the Collaborative International Dictionary of English.

• noun Anything moved with a whirl, as preparatory for a blow, or to augment the force of it; -- applied by poets to the cestus of ancient boxers.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun archaic Anything moved with a whirl, as preparatory for a blow, or to augment the force of it.
• noun archaic, poetic The cestus of ancient boxers.