Source : Webster's Revised Unabridged Dictionary (1913)

Eger \E"ger\, Egre \E"gre\, a. [See {Eager}.]
   Sharp; bitter; acid; sour. [Obs.]

         The egre words of thy friend.            --Chaucer.

Eger \E"ger\, n.
   An impetuous flood; a bore. See {Eagre}.