plural of torus / (plural only) A protective, epidermal thickening derived from the stratum corneum and found in high friction areas (such as the foot sole of a dog).

A large concrete block with a groove in the bottom face and a tongue on the top face to eliminate slippage when they are stacked. There is also a steel loop on the top face to facilitate lifting. T...

The property of being a language.

(anatomy) Calot's triangle