Black's Law Dictionary (2nd edition)dictionaries

Silence

CE. The state of a person who does not speak, or of one who refrains from speaking. In the law of estoppel, “silence” impiles knowledge and an opportunity to act upon it. Pence v. Langdon, 99 U. S. 581, 25 L. Ed. 420; Stewart v. wyoming Cattle Ranch Co., 128 U. S. 383, 9 Sup. Ct. 101, 32 L. Ed. 439; Chicora Fertilizer Co. v. Dunan, 91 Md. 144, 46 Atl. 347, 50 L. R. A. 401

Source: Black's Law Dictionary 2nd Ed (1910)