plural of turning gear

(law, India and historically in the British Isles) Someone giving full disclosure about a crime in return for pardon.

plural of turning approver

(geometry, topology, mathematical analysis) A version of winding number in which the number of rotations is counted with respect to the tangent of the curve rather than a fixed point.

plural of turning number

plural of engine turning

An ornamental design made by a rose engine, for example on the back of a watch.

present participle of turn the corner

present participle of turn a corner

In an ancient racecourse, a post marking where the horses were to turn, which also served as the winning line.