Collateral estoppel

The collateral determination of a question by a court having general jurisdiction of the subject. See Small v. Haskins, 26 Vt. 209.
—Equitable estoppel (or estoppel by conduct, or in pais) is the species of estoppel which equity puts upon a person who has made a false representation or a concealment of material facts, with knowledge of the facte, to a party ignorant of the truth of the matter, with the intention that the other party should act upon it, and with the result that such party is actually induced to act upon it, to his damage. Bigelow, Estop. 484. And see Louisville Banking Co. v. Asher, 65 S. W. 831, 23 Ky. Law Rep. 1661; Bank v. Marston, 85 Me. 488, 27 Atl. 529; Richman v. Baldwin, 21 N. J. Law, 403; Railroad Co., v. Perdue, 40 W. Va. 442, 21 S. E. 755.

— Estoppel by deed. where a party has executed a deed, that is, a writing under seal (as a bond) reciting a certain fact, and is thereby precluded from afterwards denying, in any action brought upon that instrument, the fact so recited. Steph. PI. 197. A man shall always be estopped by his own deed, or not permitted to aver or prove anything in contradiction to what he has once so solemnly and deliberately avowed. 2 Bl. Comm. 295 ; Plowd. 434; Hudson v. Winslow Tp., 35 N. J. Law, 441; Taggart v. Risley, 4 Or. 242; Appeal of Waters, 35 Pa 526, 78 Am. Dec. 354.

Defined under Estoppel in Black's Law Dictionary.