D defs.my
Entry 1 sense Webster, 1913

Estoppel

· Es·top·pel · IPA
01 n. A stop; an obstruction or bar to one's alleging or denying a fact contrary to his own previous action, allegation, or denial; an admission,…
  1. 1.
    A stop; an obstruction or bar to one's alleging or denying a fact contrary to his own previous action, allegation, or denial; an admission, by words or conduct, which induces another to purchase rights, against which the party making such admission can not take a position inconsistent with the admission.(Law)