D defs.my
Entry 1 sense Webster, 1913

Pelton wheel

/pĕl'-tən wēl/ · Pel·ton wheel · IPA
01 A form of impulse turbine or water wheel, consisting of a row of double cup-shaped buckets arranged round the rim of a wheel and actuated b…
  1. 1.
    A form of impulse turbine or water wheel, consisting of a row of double cup-shaped buckets arranged round the rim of a wheel and actuated by one or more jets of water playing into the cups at high velocity.(Mech.)