Definition of "girthed"

He is quite of the Pelissier build; rotund, and girthed, and strapped down; with a grey poll, and dyed moustaches.

1858, “Down among the Dutchmen”, in Charles Dickens, editor, Household Words, volumes 17-18, page 249

Amber’s boyfriend, Gary, a nurse’s assistant who spends his off hours playing video games, is equally girthed, making a joke of his size in a T-shirt that says, “First Round Draft Pick.”

2009 June 11, Ginia Bellafante, “Real Life Is Like ‘Juno,’ Except Maybe the Dialogue”, in New York Times‎