girth - girth (gûrth)

n.
1. The distance around something; the circumference.
2. Size; bulk: a person of large girth.
3. A strap encircling an animal's body in order to secure a load or saddle on its back; a cinch.
tr.v.
1. To measure the circumference of.
2. To encircle.
3. To secure with a girth. https://www.thefreedictionary.com/girth 0