- a band put around the belly of a horse or other animal for holding a saddle, pack, etc.
- the circumference, as of a tree trunk or person's waist
Origin of girthMiddle English gerth from Old Norse gjörth from base of gyrtha, to encircle, akin to Old English gyrdan: see gird
- to girdle; encircle
- to fasten or bind with a girth