Meaning of ROTARY in English

adj. & n.

--adj. acting by rotation (rotary drill; rotary pump).

--n. (pl. -ies)

1. a rotary machine.

2 US a traffic roundabout.

3 (Rotary) (in full Rotary International) a worldwide charitable society of businessmen, orig. named from members entertaining in rotation.

Phrases and idioms:

Rotary club a local branch of Rotary. rotary-wing (of an aircraft) deriving lift from rotary aerofoils.

Etymology: med.L rotarius (as ROTA)

Oxford English vocab.      Оксфордский английский словарь.