The Collaborative International Dictionary of English v.0.48:

Eger \E"ger\, Egre \E"gre\, a. [See Eager.]
   Sharp; bitter; acid; sour. [Obs.]
   [1913 Webster]

         The egre words of thy friend.            --Chaucer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Egre \E"gre\, a. & n.
   See Eager, and Eagre. [Obs.]
   [1913 Webster]