Definition of round-headed in US English:

round-headed

adjective

  • 1Of a nail, screw, or bolt: having a rounded end or top.

  • 2Generally. Having a round, curved, or circular end or top.

  • 3Architecture. Of an arch, window, etc.: having a semicircular top.

  • 4Of a tree or other plant: having a rounded form or crown, or a rounded flower or seed head.

  • 5Of an animal: having a rounded head.

  • 6Physical Anthropology. Designating a race or type of man characterized by a skull of rounded shape.

  • 7Of a person: having short, closely cropped hair; specifically (British historical) that is a Roundhead. Now rare.

Origin

Mid 16th century. From round + headed. In specific use in sense 4 after roundhead.

Pronunciation

round-headed

/ˌraʊndˈhɛdɪd/