Chthonophagia
Pronunciation : Chthon`o*pha"gi*a, Chtho*noph"a*gy
Part of Speech : n.
Etymology : [NL. chthonophagia; Gr.
Definition : Defn: A disease characterized by an irresistible desire to eat earth, observed in some parts of the southern United States, the West Indies, etc.
Source : Webster's Unabridged Dictionary, 1913