copland noun2 •The world of police officers and police activity.When that thirteen alarm sounded, everything in copland stopped, all focus was on the radio for the coordinates. — 2007 •(no longer used) A piece of ground terminating in a point or acute angle.For th'surface of a soyle, a Copland, Copland cry , Till to your shouts the Hills with Ecchoes all reply. — 1622