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Webster 1913 Edition

(ălˊlō̍-trĭ-ŏf′ȧ-jy̆)

Noun.

[Gr.

ἀλλότριοσ

strange +

φαγεῖν

to eat: cf. F.

allotriophagie

(Med.)

A depraved appetite; a desire for strange or nonnutritious food, such as clay or starch. Called also

pica

allotriophagy ‎(uncountable)

"allotriophagy" at The Phrontistery: A Dictionary of Obscure Words.
"allotriophagy" at American Illustrated Medical Dictionary, By William Alexander Newman Dorland, 4th Edition (W.B. Saunders, 1922).