(archaic) The vanguard or advanced body of an army.

(basketball) A guard who is usually the shortest of the five basketball positions, and specializes in handling the ball, distributing it to the other players and generally running the team's offense.

The part of the framing of a railway car or truck by which an axle box is held laterally, and in which it may move vertically.

A physical barrier to protect something from unwanted contact, especially a shield to prevent accidental tripping of an emergency shutdown or power switch.

A mesh screen placed in front of a fire to prevent sparks escaping.

Not vigilant; unprepared; inattentive. / Unexpectedly or by surprise.

The organisation or officer enforcing maritime law and policing the seas within territorial waters.

A (comparatively) conservative, reactionary faction that is more unwilling to accept new ideas than their peers are. / Collectively, the members of a team who have been a long time in a place.

A decommissioned aircraft, artillery piece, or tank, displayed near the entrance to an airport or military base.

Alternative spelling of advance guard