Noun
1. an area in hostile territory that has been captured and is held awaiting further troops and supplies;
"an attempt to secure a bridgehead behind enemy lines""the only foothold left for British troops in Europe was Gibraltar"2. a place providing support for the foot in standing or climbing
3. an initial accomplishment that opens the way for further developments;
"the town became a beachhead in the campaign to ban smoking outdoors""they are presently attempting to gain a foothold in the Russian market"