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rotary

/ˈɹəʊ.tə.ɹi/ noun

Latin root: rotarius Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about rotary at Wordnik → Where our words come from →

  1. A road junction at which traffic streams circularly around a central island.
    the accident blocked all traffic at the rotary
  2. Electrical converter consisting of a synchronous machine that converts alternating to direct current or vice versa.

adjective

  1. Relating to or characterized by rotation.
    rotary dial
  2. Describing a circle; moving in a circle.
    the circular motion of the wheel

Origin

Attested mid 18th century, from Medieval Latin rotarius, from Latin rota (“wheel”).

From Wiktionary, via Kaikki.org (CC BY-SA)