What's the difference between cestus and whirlbat?

Cestus

Definition:

• (n.) A girdle; particularly that of Aphrodite (or Venus) which gave the wearer the power of exciting love.
• (n.) A genus of Ctenophora. The typical species (Cestus Veneris) is remarkable for its brilliant iridescent colors, and its long, girdlelike form.
• (n.) A covering for the hands of boxers, made of leather bands, and often loaded with lead or iron.

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Whirlbat

Definition:

• (n.) 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.

Example Sentences: