noun tro·chus \ˈtrōkəs\

Definition of trochus

  1. 1a capitalized :  a genus of chiefly Old World tropical marine gastropods (family Trochidae) with beautifully nacreous bluntly conical shells including a large Indo-Pacific species (T. niloticus) extensively used in making buttons and ornamental objects b plural -es :  top shell

  2. 2 plural trochi \-ōˌkī\ or trochuses :  the inner preoral band of cilia of a trochal disc; broadly :  trochal disc

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Origin and Etymology of trochus

New Latin, from Latin, wheel, iron hoop, from Greek trochos wheel — more at troch-

Seen and Heard

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a brief usually trivial fact

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