'beachhead' definitions:

Definition of 'beachhead'

From: WordNet
noun
A bridgehead on the enemy's shoreline seized by an amphibious operation; "the Germans were desperately trying to contain the Anzio beachhead"
noun
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" [syn: beachhead, foothold]

Definition of 'beachhead'

From: GCIDE
  • beachhead \beach"head`\ n. an area in hostile territory that has been occupied and is held to allow aditional troops and supplies to enter.
  • Syn: bridgehead, foothold. [WordNet 1.5]