Backwater valve



a valve for preventing flowing liquid, as sewage, from reversing its direction.

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  • Backwater

    water held or forced back, as by a dam, flood, or tide. a place or state of stagnant backwardness: This area of the country is a backwater that continues to resist progress. an isolated, peaceful place. a stroke executed by pushing a paddle forward, causing a canoe to move backward. Contemporary Examples State of Wonder […]

  • Backwind

    to divert wind against the lee side of (a sail) from another sail. to set (a sail) so that the wind is on what would ordinarily be the lee side, as for turning the bow of a boat away from the wind. to blanket (another sailing vessel) by spilling wind from the sails of one […]



  • Backwoods

    (often used with a singular verb) wooded or partially uncleared and unsettled districts. any remote or isolated area. of or relating to the backwoods. unsophisticated; uncouth. Contemporary Examples He suspected that the driver, who was identified as Cody Alan Legebokoff, was poaching in the backwoods. A Teen Serial Killer in Canada? Christine Pelisek October 22, […]

  • Backwoodsman

    a person living in or coming from the backwoods, or a remote or unsettled area. a person of uncouth manners, rustic behavior or speech, etc. British. a peer who rarely attends the House of Lords. Historical Examples Mr. Howbridge got up from his chair and advanced to meet the backwoodsman with hospitable hand. The Corner […]



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