a ctenophore, Cestum veneris, of warm seas, having an elongated ribbon-like body
Venus's girdle in American English
noun
an iridescent blue-and-green comb jelly, Cestum veneris, having a ribbon-shaped, gelatinous body
Word origin
[1865–70]This word is first recorded in the period 1865–70. Other words that entered Englishat around the same time include: batting average, black belt, maverick, tick-tack-toe, valence