partition
par.ti.tion \p*r-'tish-*n, pa:r-\ \-'tish-(*-)nin\ \-'tish-(*-)n*r\ \-(*-)n*st\ n or par.ti.tion.ing 1a: the action of parting : the state of being parted : DIVISION 1b: separation of a class or whole into constituent elements 2: something that divides; esp : an interior dividing wall 3: one of the parts or sections of a whole - partition vt