1. A bridgehead on the enemy's shoreline seized by an amphibious operation
   "the Germans were desperately trying to contain the Anzio beachhead"
    
2. An initial accomplishment that opens the way for further developments
   "the town became a beachhead in the campaign to ban smoking outdoors";
   - foothold

Derived forms: beachheads

Type of: accomplishment, achievement, bridgehead, foothold

Encyclopedia: Beachhead