A nymph or water-sprite or female goblin who lurked at the bottom of a pit and dragged in and drowned children. Children were warned not to venture too close to wells or ponds, lest Jenny Greenteeth should have them. See also Darrant, Grindylow, and Peg Powler.
- Scott, C.P.G. (1895). "The Devil and His Imps: An Etymological Inquisition." In Transactions of the American Philological Association. Vol. 26. Boston: Ginn & Co., p. 115.
- Wright, J. (1900). The English dialect dictionary. Vol. 2. London: H. Frowde.