1.Noundivision into parcels; especially the dividing up of a large amount of land between the inhabitants of it so that each person receives an equal amount of land.
2.NounA map or annotation associating spatial locations (e.g., voxels) with parcel identities (e.g., anatomically or functionally circumscribed regions); the map or annotation that results from or delineates the results of parcellation (sense 1)