Stămp'-ăct, n.
n. An act of the British Parliament, imposing a duty on all paper, vellum, and parchment used in the British American colonies, and declaring all writings on unstamped materials to be null and void.
n. An act of the British Parliament, imposing a duty on all paper, vellum, and parchment used in the British American colonies, and declaring all writings on unstamped materials to be null and void.