Rotary Definition

rōtə-rē
rotaries
adjective
Turning around a central point or axis, as a wheel; rotating.
Webster's New World
Having a rotating part or parts.
Webster's New World
Occurring around an axis.
Rotary motion.
Webster's New World
Having blades that rotate on a hub rather than a reel.
A rotary lawn mower.
Webster's New World

Having or being capable of having rotation.

A rotary engine revolves the heads rather than having pistons go back and forth.
Wiktionary
Synonyms:
orbitualcircular
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noun
rotaries
A part or device that rotates around an axis.
American Heritage
A rotary machine or engine.
Webster's New World
Webster's New World
Webster's New World
Usually with a capital initial, short for Rotary movement, an international club for community service.
Wiktionary
Synonyms:
roundaboutcircletraffic-circlerotary convertersynchronous-converter
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Other Word Forms of Rotary

Noun

Singular:
rotary
Plural:
rotaries

Origin of Rotary

  • Medieval Latin rotārius from Latin rota wheel ret- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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