assommoir

assommoir

A gallery built over a door or passage of a fortified place, from which stones and heavy objects could be hurled down on the enemy.
References in periodicals archive ?
Apparently there used to be many picnics on top, people cavorting and in something out of Zola's Assommoir, sitting with feet perilously twiddling over the abyss, flinging down cigarettes and stones.