D defs.my
Entry 1 sense Webster, 1913

Water engine

/wôt'-ẽr ĕn'-jən/ · Wa·ter en·gine · IPA
01 An engine to raise water; or an engine moved by water; also, an engine or machine for extinguishing fires; a fire engine.
  1. 1.
    An engine to raise water; or an engine moved by water; also, an engine or machine for extinguishing fires; a fire engine.