\Gas`tro*man"cy\, n. [Gastro- + -mancy: cf. F.
gastromancy.] (Antiq.)
(a) A kind of divination, by means of words seemingly uttered
    from the stomach.
(b) A species of divination, by means of glasses or other
    round, transparent vessels, in the center of which
    figures are supposed to appear by magic art.