
1) Castle architecture
Found on
https://www.crosswordclues.com/clue/bretèche

In medieval fortresses, a bretèche or brattice is a small balcony with machicolations, usually built over a gate and sometimes in the corners of the fortress` wall, with the purpose of enabling defenders to shoot or throw objects at the attackers huddled under the wall. Depending on whether they have a roof, bretèches are classified in two type....
Found on
http://en.wikipedia.org/wiki/Bretèche

A breteche or bretesche is a name common to several wooden, crenellated, and roofed erections, used in the middle agec in sieges by the assailants to afford protection while they were undermining the walls, and by the besieged to form defences behind breaches.
Found on
http://www.probertencyclopaedia.com/browse/FB.HTM

A breteche or bretesche is a sort of roofed wooden balcony or cage, crenelated and machicolated, attached by corbels, sometimes immediately over a gateway.
Found on
http://www.probertencyclopaedia.com/browse/TB.HTM
No exact match found.