Idler

adj, noun

Definitions

Adjective
  1. 1
    comparative form of idle: more idle comparative, form-of
Noun
  1. 1
    One who idles; one who spends their time in inaction.
  2. 2
    person who does no work wordnet
  3. 3
    One who idles; a lazy person; a sluggard.
  4. 4
    Any member of a ship's crew who is not required to keep the night-watch. dated
  5. 5
    A mechanical device such as a pulley or wheel that does not transmit power through its own axle, but forms part of a gear train, supports a moving belt, etc.

    "FOR SALE AT A BARGAIN. […] Four run stones, Munson underrunners, 3 ft diameter. […] All with idlers and in the best condition."

Etymology

Etymology 1

From idle + -er.

Etymology 2

From idle + -er.

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