1. a surprise attack made from a hidden position
2. the act of hiding and waiting to make a surprise attack

1. to attack someone suddenly from a hidden position

Examples

• The soldiers set up an ambush along the mountain pass.
• Three bandits were waiting in ambush behind the rocks.
• The enemy forces ambushed our convoy at dawn.
• Police ambushed the suspects as they left the building.
• The rebels planned to ambush the supply trucks.
• We walked straight into their ambush.
• The hunters were ambushed by angry villagers.