• Webster's Revised Unabridged Dictionary
    • a Lithophagous (Zoöl) Eating or swallowing stones or gravel, as the ostrich.
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Century Dictionary and Cyclopedia
    • lithophagous Eating stones; swallowing gravel, as a bird.
    • lithophagous Perforating or penetrating stones, as the Lithophaga; lithodomous.
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Chambers's Twentieth Century Dictionary
    • adj Lithophagous lith-of′a-gus eating stones: perforating stones, as certain molluscs.
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Webster's Revised Unabridged Dictionary
Litho-, + Gr. to eat
Chambers's Twentieth Century Dictionary
Gr. lithos, stone, phagein, to eat.