[med.L.; see SUB- 3.] A broad belt or girdle worn beneath another.

1

1824.  Meyrick, Ant. Armour, Gloss., Subcingulum, when one belt was worn below another it was thus called.

2

1849.  Rock, Ch. Fathers, I. v. 492. Besides the girdle, our Anglo-Saxon bishops were girt with the sub-cingulum or broad belt.

3