noun, feminine/ʁe.zɛʁv/plural: réserves
reservation; reserve; stock; stockroom; reserve (body of troops kept in the rear of an army drawn up for battle, reserved to support the other lines as occasion may require; force or body of troops kept for an exigency); spare (bowling)
“sous réserve des conditions suivantes” — subject to the following conditions
Deverbal from réserver.