Of uncertain derivation; a hole in the ground (dug for obtaining or holding water or other {purposes}) that {is} a cistern or well; figuratively an abyss (as a prison): - {well} pit.
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Rom 3:19Now we know that what things soever the law saith, it saith to them who are under the law: that every mouth may be stoppedG5420, and all the world may become guilty before God.