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.