(definition) by Webster 1913 Wed Dec 22 1999 at 3:57:16

Tro"chus (?), n.; pl. Trochi (#). [NL., fr. Gr. a wheel.] Zool.

Any one of numerous species of marine univalve shells belonging to Trochus and many allied genera of the family Trochidae. Some of the species are called also topshells.

 

© Webster 1913.

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