2 occurrences in 2 dictionaries
Reference: Jealousy, Waters Of
Easton
water which the suspected wife was required to drink, so that the result might prove her guilt or innocence (Nu 5:12-17,27). We have no record of this form of trial having been actually resorted to.
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Fausets
Numbers 5. (Nu 5:14,30.) An ordeal to detect a woman's guilt or vindicate her innocence to her husband. It could not injure the innocent or punish the guilty except by miracle; contrary to pagan ordeals, wherein the innocent could scarcely escape except by miracle.