Source : Webster's Revised Unabridged Dictionary (1913)

Egger \Egg"er\, n. [See {Egg}, n.]
   One who gathers eggs; an eggler.

Egger \Egg"er\, n. [See {Egg}, v. t.]
   One who eggs or incites.

Source : WordNet®

egger
     n : moth having nonfunctional mouthparts as adults; larvae feed
         on tree foliage and spin egg-shaped cocoons [syn: {eggar}]