regular-duty

See also: regular duty

English

Alternative forms
  • regular duty

Adjective

regular-duty (not comparable)

  1. (tennis) Describing a tennis ball having a thinner felt woven more tightly around the ball's core, designed for softer court surfaces such as clay.
    Coordinate term: extra-duty
    • 2022 September 6, Matthew Futterman, “The Great U.S. Open Ball Debate of 2022”, in The New York Times‎:
      The men at the U.S. Open use what is known as an “extra-duty” ball, which means the felt on the outside of the ball is woven slightly more loosely than the “regular-duty” ball the women use. […] However, the regular-duty balls “play faster,” Collins said through a spokeswoman for the company.
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