Cylinder face (Steam Engine), the flat part of a steam cylinder on which a slide valve moves.

Face of an anvil, its flat upper surface.

Face of a bastion (Fort.), the part between the salient and the shoulder angle.

Face of coal (Mining), the principal cleavage plane, at right angles to the stratification.

Face of a gun, the surface of metal at the muzzle.

Face of a place (Fort.), the front comprehended between the flanked angles of two neighboring bastions. --Wilhelm.

Face of a square (Mil.), one of the sides of a battalion when formed in a square.

Face of a watch, clock, compass, card etc., the dial or graduated surface on which a pointer indicates the time of day, point of the compass, etc.

Face to face.
   (a) In the presence of each other; as, to bring the accuser and the accused face to face.
   (b) Without the interposition of any body or substance. ``Now we see through a glass darkly; but then face to face.'' 1 --Cor. xiii. 12.
   (c) With the faces or finished surfaces turned inward or toward one another; vis [`a] vis; -- opposed to back to back.

To fly in the face of, to defy; to brave; to withstand.

To make a face, to distort the countenance; to make a grimace. --Shak.

Source: Webster's Revised Unabridged Dictionary (1913)