Wörterbuch (en): Crossbar / Crossbeam / Impost / Abutment
de: Kämpfer (m)
fr: Imposte / Coussinet
it: Imposta (dell'arco) / Traverso della finestra
es: Imposta / Travesaño de ventana
Zone at which the curvature of a vault begins and at which the loads of an arc are absorbed./ Crossbeam for subdividing a window, which forms the window cross along with the set timber.