contrate

[ kon-treyt ]
/ ˈkɒn treɪt /

adjective Horology.

(of a gear) having teeth at right angles to the plane of rotation.

Origin of contrate

First recorded in 1680–90; contra-1 + -ate1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019