noun, masculine/ɑ̃.ʁe.ʒis.tʁə.mɑ̃/plural: enrégistrements
a registration, entry in a register; an office in charge of certain official registrations; check-in; a deed by which a cour souveraine (each of the highest courts of justice) ordered a royal order or decree to be transcribed and entered into its own register of legislation
From enrégistrer (“to register”) + -ment.