Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: defensive structure consisting of walls or mounds built around a stronghold to strengthen it
Similiar / Same: munition
Categories: defence, defense, defensive structure
Within this category: bastion, bunker, castle, defilade, entrenchment, escarpment, fieldwork, lunette, Maginot Line, palisade, parapet, Siegfried line, stockade