In heraldry, a compartment is a design placed under the shield, usually a landscape or wreath of some sort upon which the supporters are depicted as standing. It is a comparatively late feature of heraldry.
Usually when arms are augmented by supporters, a compartment will be added too.
... in the town. The population density is 19.9/km² (51.6/mi²). There are 205 housing units at an average density of 8.7/km² (22.6/mi²). The racial ...