Je was op zoek naar: counterscarp (Engels - Spaans)

counterscarp
contraescarpa

at the turning of the counterscarp they found themselves within about sixty paces of the bastion.
a la vuelta de la contraescarpa, se hallaron a sesenta pasos aproximadamente del bastión.

under the wall and between the latter and the sea is a path which is partially shaded by some trees. there is a sidewalk along the counterscarp.
por debajo de la muralla, y entre esta y el mar, pasa un camino sombreado a trechos por algunos árboles con acera pegada a la contraescarpa.

at the foot of the counterscarp is a broad path which, after the bridge, leads to molinar de ponent and arraval. the path begins at the porta del moll gateway.
al pie de la contraescarpa se encuentra un camino ancho que, pasado el puente, lleva al molinar de ponent y al arraval, camino que comienza en la porta del moll.

then was heard a great noise of fagots being removed and of the groaning of posts; these were the counterscarps and bastions of athos, which the besieged himself demolished.
entonces se oyó un gran ruido de haces entrechocando y de vigas gimiendo: eran las contraescarpas y los bastiones de athos que el sitiado demolía por sí mismo.