“Neck circumference and waist and hip girth were measured using a tape measure.”

“No doubt contributing to her girth was the circumstance of having borne her royal lover six children.”

“Put the saddle on the horse, but don't tighten the girth too much right away.”

“In the tackroom where the bridles, bits, snaffles, girths and whips were hanging on the wall, Jackson asked me about everything.”

“Waist and hip girths were measured standing, at the level of the umbilicus and the level of maximal gluteal protrusion, respectively.”

“Tack is not defined, but presumably means saddle and bridle and normal accessories, such as girths, cinches and saddle pads.”