What Is Girdle in the Bible?
Object
A belt of leather or cloth to hold clothing in place.
Today
It is a belt. (Today a “girdle” is also a kind of underwear; here it is not.)
Where it appears in the Bible
Mark 1:6
What the Bible says
Mark 1:6
And John was clothed with camel’s hair, and a leathern girdle about his loins; and he ate locusts and wild honey.
Douay-Rheims Bible (Challoner revision), public domain.
Source: RAE, “ceñidor”