roundheaded

Having a round head or top: as, a round-headed nail or rivet.

Hence, having the hair of the head cut short; close-cropped; specifically, belonging or pertaining to the Roundheads or Parliamentarians.

In architecture, topped with a semicircular arch, as a window or doorway.

Having a round head or top.

Having a round head or top.

having a brachycephalic head