Definitions
1.nounA band passed under the belly of an animal, which holds a saddle or a harness saddle in place.
2.nounThe part of an animal around which the girth fits.
3.nounOne's waistline circumference, most often a large one.
4.nounA small horizontal brace or girder.
5.nounThe distance measured around an object.
6.nounThe length of the shortest cycle in a graph.
7.verbTo bind as if with a girth or band.