girth

n. the distance around a person's waist, usually when they are large.

n. the circumference of a person's waist, often used to imply a large or stout physical build.

“He had gained a bit of girth over the holidays and his trousers felt tight.”

“The retired athlete's increasing girth was a testament to his new, sedentary lifestyle and love of rich desserts.”

Informal

n. a strong band that goes under a horse's belly to keep the saddle in place.

n. a band passed under the belly of a horse or other animal to secure a saddle or pack.

“Make sure the girth is tight enough so the saddle doesn't slip while you ride.”

“Before mounting, the equestrian checked the leather girth for signs of wear that might compromise the safety of the harness.”

Technical

v. to wrap around something or to surround it tightly.

v. to bind or encircle something as if with a band or strap.

“A stone wall girths the entire estate to keep out intruders.”

“The knight was girthed with a heavy belt of iron links, signifying his rank and readiness for the coming battle.”

Literary