Noun
an initial accomplishment that opens the way for further developments
a bridgehead on the enemy's shoreline seized by an amphibious operation
Source: WordNetAs evil waxes, the very men who stand for good will in their fear use ever worse means o' fighting, and thereby give evil a free beachhead. Poul Anderson
Some people get into this business and they're so afraid to lose anything. They try to protect their position like clinging to a beachhead. These actors end up making really safe choices. I never wanted to go that route. If I go down, I'm going down swinging. Matt Damon
the town became a beachhead in the campaign to ban smoking outdoors Source: Internet
they are presently attempting to gain a foothold in the Russian market Source: Internet
the Germans were desperately trying to contain the Anzio beachhead Source: Internet
After the invasion (on June 6, 1944) the plan was to delay movement of German reserves to the Normandy beachhead and prevent a potentially disastrous counter-attack. Source: Internet