Source : Webster's Revised Unabridged Dictionary (1913)

Lagomorph \Lag"o*morph\, n. (Zo["o]l.)
   One of the Lagomorpha.

Source : WordNet®

lagomorph
     n : relative large gnawing animals; distinguished from rodents
         by having two pairs of upper incisors specialized for
         gnawing [syn: {gnawing mammal}]