Used both attributively and predicatively to describe a person of large, solid build.
Translations
The heavyset security guard blocked the doorway.
Коренастый охранник перекрыл проход.
He is a heavyset man in his late fifties.
Он — полный мужчина под шестьдесят.
Definitions
Having a large, heavy, and solid physique; stout or stocky. The heavyset security guard blocked the doorway.