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rotary

adjective
 
 
/ˈrəʊ.tər.i/ US  /ˈroʊ.t̬ɚ-/

Definition

(of a machine) having a part that moves around in a circle: a rotary engineRevolving, rotating and spinning
(Definition of rotary adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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