congest
    v 1: become or cause to become obstructed; "The leaves clog our
         drains in the Fall"; "The water pipe is backed up" [syn:
         clog, choke off, clog up, back up, congest,
         choke, foul] [ant: unclog]

Congest \Con*gest"\, v. t. [L. congestus, p. p. of congere to
   bring together; con- + gerere. See Gerund.]
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   1. To collect or gather into a mass or aggregate; to bring
      together; to accumulate.
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            To what will thy congested guilt amount?
                                                  --Blackmore.
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   2. (Med.) To cause an overfullness of the blood vessels (esp.
      the capillaries) of an organ or part.
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