1. The back of a horse; the state of being on a horse.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• homeback,
• horesback,
• horeseback,
• hourseback,
• horeback,
• horsback,
• horsebcak,
• ahorsback,
• horsebak,
• horsebac,
• horsebakk,
• horsebacc,
• horse back,
• horselik,
• forselack,
• horzeblock,
• horsblock,
• horseblok,
• hosreblock,
• horserase

• horse bean,
• horsebrier,
• horse balm,
• horseplay,
• horsebox,
• horsebean,
• horseflesh,
• horse barn.

The adjective form of the word "horseback" is "equestrian".

The plural of the "horseback" can be the "horsebacks".

The singular of the "horseback" can be the "horseback".