a defensive tower or similar fortification at a gate or bridge leading into a town or castle
Origin of barbicanMiddle English from Old French barbacane from Medieval Latin barbacana from uncertain or unknown; perhaps
A tower or other fortification on the approach to a castle or town, especially one at a gate or drawbridge.
Origin of barbicanMiddle English from Old French barbacane from Medieval Latin barbacana from Persian barbārkhān barbār guard ( from Old Iranian parivāraka- protective ; see wer-4 in Indo-European roots.) khān house ( from Middle Persian)