double U

See also: double-u

English

Noun

double U (plural double Us)

  1. Alternative form of double-u
  2. something in the shape of two U's (not of a W)
    • 1942, Playing Tricks with Plants, Popular Science, Vol. 140, No. 3 (March), p. 110:
      In training a tree in the double U […] only the two topmost buds are allowed to grow on the trunk and two arms.

See also
  • triple U (something in the shape of three nested U's)
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