The foremost side of something or the end that faces the direction it normally moves. • The side of a building with the main entrance. • A field of activity. • A person or institution acting as the public face of some other, covert group. • The interface or transition zone between two airmasses of different density, often resulting in precipitation. Since the temperature distribution is the most important regulator of atmospheric density, a front almost invariably separates airmasses of different temperature. • An area where armies are engaged in conflict, especially the line of contact. • The lateral space occupied by an element measured from the extremity of one flank to the extremity of the other flank. • The direction of the enemy. • When a combat situation does not exist or is not assumed, the direction toward which the command is faced. • A major military subdivision of the Soviet Army. • Cheek; boldness; impudence. • A woman's breast. • An act, show, façade, persona: an intentional and false impression of oneself. • That which covers the foremost part of the head: a front piece of false hair worn by women. • The most conspicuous part. • The beginning. • A seafront or coastal promenade. • The forehead or brow, the part of the face above the eyes; sometimes, also, the whole face. • The bellhop whose turn it is to answer a client's call, which is often the word "front" used as an exclamation. • A grill (jewellery worn on front teeth).