Sé·bas·tien le Pres·tre de /seɪbasˈtyɛ̃ lə ˈprɛtrə də/Show Spelled[sey-bas-tyan luhpre-truh duh]Show IPA, 1633–1707, French military engineer and marshal.
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