from the GNU version of the Collaborative International Dictionary of English

  • n. Any one of numerous species of marine top-shaped shells of the genus Trochus, or family Trochidæ.

from The Century Dictionary and Cyclopedia

  • n. Any one of the species of the genus Trochus or the family Trochidæ, of a regularly conic figure.


Sorry, no etymologies found.


  • In addition to its smooth, seamless top-shell design that acts as one button or two, Magic Mouse features a Multi-Touch surface with gesture support.



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