metridium

\\mə.ˈtridēəm\ noun

Usage: capitalized

Etymology: New Latin, from Greek mētridios having a womb, fruitful, from mētra womb — more at metra

: a genus of sea anemones

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/mi trid"ee euhm/, n.

any sea anemone of the genus Metridium, common in cooler waters of the Northern Hemisphere.

[ < NL (1815), n. use of neut. of metridius having a womb, fruitful < Gk metrídios, deriv. of métra womb]