Bridgehead

[Sarah]

A fortification commanding the extremity of a bridge nearestthe enemy, to insure the preservation and usefulness of the bridge,and prevent the enemy from crossing; a tête-de-pont.

[Sarah]

Noun: A blowjob from a woman who is troll-like in appearance.

[Luis Fok]

a good position that an army has taken in enemy land, from which it can attack the enemy more effectively:

[PussyCat]

A strong position secured by an army inside enemy territory from which to advance or attack.