fortified lines

Entrenched defensive positions

Fortified lines are defensive military positions reinforced with walls, trenches, bunkers, or other barriers.

They stretch across territory to block enemy advance: The Maginot Line was France's fortified line along the German border.

The term appears in historical and strategic contexts, describing everything from ancient earthworks to modern defensive networks.

Related

tank traps · bunker · rampart · earthworks · gabions · pillboxes · Hadrian's Wall · glacis · sandbags · bastion · Atlantic Wall · palisade · revetments · parapet · redoubt · moats · choke point · bulwark

Opposites
defensive preparation

fortified linesopen terrain

open ground · open field · no man's land · exposed flank · soft targets

military posture

fortified linesoffensive operations

Attacks to gain ground

mobile warfare · blitzkrieg · cavalry charge · breakthrough · flanking maneuver

Family

fortify, fortified, fort, forte, fortress, fortification, fortifications, comfort, comfortable

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Used worldwide · Timeless · Concrete · Rated G