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Related to Cestum: beroe
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Noun1.Cestum - Venus's girdleCestum - Venus's girdle      
ctenophore genus - a genus of ctenophores
Cestidae, family Cestidae - coextensive with the order Cestida; ctenophores having a greatly flattened and elongated body
Cestum veneris, Venus's girdle - ctenophore having a ribbon-shaped iridescent gelatinous body
References in periodicals archive ?
Adapted to limitless, featureless blue surroundings, this planktonic ctenophore, Cestum, lives near the ocean surface.