Word Study
pleurotoma
CIDE DICTIONARY
pleurotoma, n. [NL., fr. Gr. the side + tomh` a cut.].
Any marine gastropod belonging to Pleurotoma , and ether allied genera of the family Pleurotmidæ . The species are very numerous, especially in tropical seas. The outer lip has usually a posterior notch or slit. [1913 Webster]
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