noun
girt
GURT/ɡˈɝt/
A strap or band used to secure something, especially a saddle.
The broad leather girt has strong buckles for securing the saddle.

Etymology
The supplied evidence documents girt as a form of gird, meaning to encircle or bind. It does not establish the history of the noun meaning a saddle strap.
More examples
- A loose girt lets the saddle slide sideways.
- He replaces the cracked girt with a new leather one.
- These girts keep the saddles firmly in place.
Forms
girt · girts