'undershot wheel' definitions:

Definition of 'undershot wheel'

From: GCIDE
  • Water wheel \Wa"ter wheel`\
  • 1. Any wheel for propelling machinery or for other purposes, that is made to rotate by the direct action of water; -- called an overshot wheel when the water is applied at the top, an undershot wheel when at the bottom, a breast wheel when at an intermediate point; other forms are called reaction wheel, vortex wheel, {turbine wheel}, etc. [1913 Webster]
  • 2. The paddle wheel of a steam vessel. [1913 Webster]
  • 3. A wheel for raising water; a noria, or the like. [1913 Webster]