vauban

noun

1. Sé·bas·tien le Pres·tre de [sey-bas-tyan luh pre-truh duh] /seɪ basˈtyɛ̃ lə ˈprɛ trə də/, 1633–1707, French military engineer and marshal.

noun

1. Sébastien Le Prestre de (sebastjɛ̃ lə prɛtrə də). 1633–1707, French military engineer and marshal, who greatly developed the science of fortification and devised novel siege tactics using a series of parallel trenches