\Ces"tus\, n. [L. cestus girdle, Gr. ?, lit., stitched,
embroidered.]
1. (Antiq.) A girdle; particularly that of Aphrodite (or
   Venus) which gave the wearer the power of exciting love.

2. (Zo["o]l.) A genus of Ctenophora. The typical species
   ({Cestus Veneris}) is remarkable for its brilliant
   iridescent colors, and its long, girdlelike form.

\Ces"tus\, n. [L. caestus, and cestus.] (Antiq.)
A covering for the hands of boxers, made of leather bands,
and often loaded with lead or iron.