Palisade (noun)

A fence or barrier made up of a line of closely spaced posts or stakes, typically used for defense or as a boundary.

Origin:

From french palissade, from italian palizzata, from palizzare "to fortify with a palisade", from palo "stake".

Examples:

1. The fort was protected by a palisade of sharpened logs.
2. The villagers built a palisade around their settlement to keep out raiders.
3. The palisade was made of thick wooden stakes and stood over 10 feet tall.
4. The enemy was unable to breach the palisade and were forced to retreat.
5. The palisade was the main line of defense for the fortress.