gastromancy

Etymology
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Noun

 * 1) Divination by interpreting the sounds and signs of the belly.
 * 2) * 1693 Urquhart translating Rabelais Gargantua & Pantagruel iii. xxv.
 * By Gastromancy, which kind of ventral Fatiloquency was for a long time together used in Ferrara by Lady Giacoma Rodogina, the Eugastrimythian Prophetess.
 * 1) Divination by noting magical visions in large-bellied glasses, sometimes described as a technique where a child is placed in front of a glass filled with water, the images in the glass then interpreted. Similar to crystallomancy.
 * 2) * 1610 Vives in J. Healey Saint Augustine of the Citie of God
 * Diuination generally was done by diuers means..Hydromancy..done either in a glasse bottle full of water, wherein a Childe must looke, (and this is called, Gastromancy of the glasses belly)...