sur·cin·gle 
(sûrsĭng′gəl)
(sûrsĭng′gəl)n.
1. A girth that binds a saddle, pack, or blanket to the body of a horse.
2. Archaic The fastening belt on a clerical cassock; a cincture.
[Middle English sursengle, from Old French surcengle : sur-, sur- + cengle, belt (from Latin cingula, from cingere, to gird; see CINGULUM).]
surcin′gle v.