plunge basin
noun
a cavity at the base of a falls or cataract, formed by the action of the falling water.
Origin of plunge basin
First recorded in 1900–05
Words nearby plunge basin
plumulose,
plumy,
plunder,
plunderage,
plunge,
plunge basin,
plunge bath,
plunge pool,
plunger,
plunging fire,
plunk