Crestfallen /(-f?l`'n)/

Crest·fall·en

Crestfallen

a.
  1. With hanging head; hence, dispirited; dejected; cowed.
    Let it make thee crestfullen; Ay, and allay this thy abortive pride.
  2. Having the crest, or upper part of the neck, hanging to one side; -- said of a horse.