D defs.my
Entry 2 senses Webster, 1913

Crestfallen

/(-f?l`'n)/ · Crest·fall·en · IPA /ˈkɹɛstfɔlən/
01 a. With hanging head; hence, dispirited; dejected; cowed.
  1. 1.
    With hanging head; hence, dispirited; dejected; cowed.
    “Let it make thee crestfullen; Ay, and allay this thy abortive pride.” Shak.
  2. 2.
    Having the crest, or upper part of the neck, hanging to one side; -- said of a horse.