A quick look at (& a brief description for) some of the basics.
Headstall – The strap that goes over the horse’s head just behind the ears (at the poll). This is generally the thickest strap of the bridle.
Browband – A thick strap of leather that runs across the horse’s brow. This piece runs through the browband on both sides just under the horse’s ears.
Cheek Piece – This is a thinner strap that attaches to the bit and runs up the horse’s cheeks.
Bit – The metal part of the bridle that rests on the interdental spaces in the horse’s mouth. The bit is attached to both the headstall and the reins & is the primary means for controlling a horse with the bridle.
Throatlatch – Generally a small strip of the headpiece which run from just underneath one ear to just underneath the other.
Reins – Reins are attached to both sides of the bridle by the bit and are used by the rider to control the horse.
This is an example of a standing martingale and it is used to control head movement. There is a main strap that spans the horse’s neck, it is attached to the girth on one side and the noseband on the other.
Pommel – The rise at the front of a saddle that accommodates the withers.
Seat – The area where the rider site and the lowest part of the saddle’s top line.
Cantle – The gentle rise at the back of the seat.
Gullet – The groove that runs down the middle of the saddle’s underside.
Flap – A wide flap of leather that covers the leathers, straps & buckles.
Leathers – A robust leather strap from which the stirrup hangs. Usually they have buckles to allow for adjustment.
Stirrups – Stirrups are used as balance for the rider.
Girth – A robust strap of leather that attaches the saddle to the horse. Generally they have one elastic side to stretch for fit.
Be sure to take a more in depth look at bridle terminology and stay tuned for more terminology to come.