undershot wheel
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]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • undershot wheel — noun : a vertical waterwheel into the circumference of which are set blades that are pushed by water passing underneath …   Useful english dictionary

  • Undershot — Un der*shot , a. 1. (Zo[ o]l.) Having the lower incisor teeth projecting beyond the upper ones, as in the bulldog. [1913 Webster] 2. Moved by water passing beneath; said of a water wheel, and opposed to overshot; as, an undershot wheel. [1913… …   The Collaborative International Dictionary of English

  • undershot — adjective Date: 1610 1. moved by water passing beneath < an undershot wheel > 2. having the lower incisor teeth or lower jaw projecting beyond the upper when the mouth is closed …   New Collegiate Dictionary

  • undershot — [un′dərshät΄] adj. 1. with the lower part or half extending past the upper [an undershot jaw] 2. driven by water flowing along the lower part [an undershot water wheel]: see WATER WHEEL, illus …   English World dictionary

  • wheel — n. circular rim or solid disc joined to a hub that turns 1) to spin; turn a wheel 2) to align; balance; rotate wheels (on a car) 3) a balance; driving; front; idler; mill; paddle; potter s; ratchet; rear; retractable; roulette; spinning;… …   Combinatory dictionary

  • undershot — /un deuhr shot /; for 3 also /un deuhr shot /, adj. 1. having the front teeth of the lower jaw projecting in front of the upper teeth, as a bulldog. 2. driven by water passing beneath: an undershot vertical water wheel. v. 3. pt. and pp. of… …   Universalium

  • undershot — un•der•shot [[t]ˈʌn dərˌʃɒt[/t]] for 3also [[t]ˌʌn dərˈʃɒt[/t]] adj. 1) having the front teeth of the lower jaw projecting in front of the upper teeth, as a bulldog 2) mac driven by water passing beneath: an undershot vertical water wheel[/ex] 3) …   From formal English to slang

  • undershot — adj. 1 (of a water wheel) turned by water flowing under it. 2 = UNDERHUNG …   Useful english dictionary

  • Water wheel — This article is about the machine for converting energy of flowing or falling water. For paddle wheels used to propel watercraft, see paddle wheel ship. For wheels used solely to lift water, see Noria. For factories or industries driven by water… …   Wikipedia

  • persian wheel — noun Usage: usually capitalized P : an undershot waterwheel adapted for raising water and occurring in several varieties all fitted with radial floats * * * Persian wheel noun A large undershot wheel for raising water • • • Main Entry: ↑Persian …   Useful english dictionary

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