'Sinking pump' definitions:

Definition of 'Sinking pump'

From: GCIDE
  • Sinking \Sink"ing\, a. & n. from Sink. [1913 Webster]
  • Sinking fund. See under Fund.
  • Sinking head (Founding), a riser from which the mold is fed as the casting shrinks. See Riser, n., 4.
  • Sinking pump, a pump which can be lowered in a well or a mine shaft as the level of the water sinks. [1913 Webster]