Dam, v. t. [imp. & p. p. Dammed p. pr. & vb. n. Damming.]
  1. To obstruct or restrain the flow of, by a dam; to confine by constructing a dam, as a stream of water; -- generally used with in or up.
     I'll have the current in this place dammed up.   --Shak.
     A weight of earth that dams in the water.   --Mortimer.
  2. To shut up; to stop up; to close; to restrain.
  The strait pass was dammed
  With dead men hurt behind, and cowards.   --Shak.
  To dam out, to keep out by means of a dam.
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  dam
       n 1: a barrier constructed to contain the flow of water or to
            keep out the sea [syn: dike, dyke, levee]
       2: a metric unit of length equal to ten meters [syn: decameter,
           dekameter, decametre, dekametre, dkm]
       3: female parent of an animal especially domestic livestock
       v : obstruct with, or as if with, a dam; "dam the gorges of the
           Yangtse River" [syn: dam up]
       [also: damming, dammed]