The Collaborative International Dictionary
Allotriophagy
Allotriophagy \Al`lo*tri*oph"a*gy\ ([a^]l`l[-o]*tr[i^]*[o^]f"[.a]*j[y^]), n. [Gr. 'allo`trios strange + fagei^n to eat: cf. F. allotriophagie.] (Med.) A depraved appetite; a desire for improper food.
Wiktionary
allotriophagy
n. (context rare English) Having food cravings that are different from the expected or the norm