barbacanagium Save DMLBS barbacanagium , toll or due for building a barbican. 1336 [cives Winton’] quieti sint de barbicanagio sive barbican ac bretagio ChartR 123 m. 18; 1415 de ‥ barbicanagio (Ib. 185) MonA VI 33; 1463 de ‥ †barbicagio ChartR 193 m. 4.