(New England, Atlantic Canada) A roundabout, traffic circle. / (chiefly with initial capital) Any of the clubs making up the international Rotary International movement for community service.

Capable of rotation.

plural of rotary

(chemistry) A piece of laboratory equipment used to gently evaporate solvents from a chemical solution in a temperature controlled environment.

a disk with finger holes, used to enter numbers by rotating the disk forward and letting it slide back / a telephone with such a disk

(of a telephone) using a rotary dial, rather than push buttons

Any of several types of internal combustion engine in which the power output is directly rotational.

A rotary printing press

A club that is part of Rotary International.

plural of rotary phone