Meaning of the word beachhead in English

What does beachhead mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

beachhead

US /ˈbiːtʃ.hed/
UK /ˈbiːtʃ.hed/

Noun

an area of land near the sea or a river that an attacking army has taken control of and from where it can move forward into enemy country:

Example:
The troops quickly established a beachhead and were preparing to advance.