from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A pump that removes liquid from a sump: Our basement flooded when the sump pump broke.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a pump used for the removal of liquid from a sump or sump pit

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a suction pump for removing liquid from a sump


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  • I always thought this would be better named: "dump pump"

    June 23, 2008