Source : Webster's Revised Unabridged Dictionary (1913)

Thoth \Thoth\, n.
   1. (Myth.) The god of eloquence and letters among the ancient
      Egyptians, and supposed to be the inventor of writing and
      philosophy. He corresponded to the Mercury of the Romans,
      and was usually represented as a human figure with the
      head of an ibis or a lamb.

   2. (Zo["o]l.) The Egyptian sacred baboon.

Source : WordNet®

Thoth
     n : Egyptian ibis-headed moon deity; god of wisdom and learning
         and the arts; scribe of the gods