sidesaddle

noun

1. A saddle, usually for a woman, in which the rider sits with both legs on the same side of the horse.
2. The technique of riding a horse with both legs on the same side of the horse.

adv

1. (not-comparable)On, or as if on, such a saddle.

   “He rode sidesaddle to avoid worsening his injured leg.”

   “He had his daughter riding sidesaddle on the bicycle frame while he pedaled.”

   “Undoing the last few straps, Eragon swung his right leg over Saphira's spine, so he was sitting sidesaddle, and prepared to jump off her back.”