bridgehead

English Thesaurus

1. a defensive post at the end of a bridge nearest to the enemy (noun.location)

hypernym	:	post, station,
definition	:	the position where someone (as a guard or sentry) stands or is assigned to stand (noun.location)

2. an area in hostile territory that has been captured and is held awaiting further troops and supplies (noun.location)

hypernym	:	combat area, combat zone,
definition	:	a military area where combat forces operate (noun.location)

hyponym	:	airhead,
definition	:	a bridgehead seized by airborne troops (noun.location)

hyponym	:	beachhead,
definition	:	a bridgehead on the enemy's shoreline seized by an amphibious operation (noun.location)