[girth] n [ME, fr. ON gjorth; akin to OE gyrdan to gird] (13c) 1: a band or strap that encircles the body of an animal to fasten something (as a saddle) on its back
2. a: a measure around a body "a man of more than average ~" b: size, dimensions
[2]girth vt (15c) 1: encircle
2: to bind or fasten with a girth
3: to measure the girth of