rotary

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ro·ta·ry / ˈrōtərē/ • adj. (of motion) revolving around a center or axis; rotational: a rotary motion. ∎  (of a thing) acting by means of rotation, esp. (of a machine) operating through the rotation of some part: a rotary mower.• n. (pl. -ries) 1. a rotary machine, engine, or device. 2. a traffic circle.

Rotary

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Ro·ta·ry / ˈrōtərē/ (in full Ro·ta·ry In·ter·na·tion·al) a worldwide charitable society of businessmen, businesswomen, and professional people, formed in 1905.DERIVATIVES: Ro·tar·i·an / rōˈte(ə)rēən/ n. & adj.