Ravelin

/ɹˈævɪlˌɪn/

Ravelin

a triangular or polygonal fortification with a raised platform located outside the main defensive walls of a fortress, used to defend the approach and provide additional protection against enemy attacks

Examples

1. On June 3rd, a Janissary offensive managed to surmount the fortress’s triangular Ravelin.

2. The defenders held out for one final night, but on June the 23rd, they were finally overwhelmed by sheer numbers, and Turkish sharpshooters raining bullets on them from the Ravelin.