partition

[1]	partition off , divide (up) , separate , cut up , subdivide , split (up)
[2]	partition off , zone , divide , separate , subdivide , wall off , screen (off) , fence off

[1]	divider , separation , division , splitting (up) , split-up , partitionment , break-up , breaking up , segmenting , segmentation
[2]	allotment , allotting , apportionment , apportioning , distribution , distributing , meting out , doling out , rationing (out) , sharing (out) , dividing (up) , giving/handing/passing out , parcelling out , (Colloq) divvying up
[3]	(room) divider , (dividing) wall , barrier , screen , separator
[4]	compartment , division , partitioning , room , chamber , segmentation , sectionalization , section , part , sectionalisation , area , division , subdivision , cell , stall , booth