horseback

American  

[hawrs-bak] / ˈhɔrsˌbæk /

noun

1. the back of a horse.

2. Geology. a low, natural ridge of sand or gravel; an esker.

---

adverb

1. on horseback.

   to ride horseback.

adjective

1. made or given in a casual or speculative way; approximate or offhand.

   a horseback estimate on the construction costs.

horseback British  

/ ˈhɔːsˌbæk /

noun

1. 1. a horse's back (esp in the phrase on horseback )

   2. ( as modifier )

      horseback riding

---

Etymology

Origin of horseback

1350–1400; Middle English. See horse, back ¹

Explanation

If you ride your trusty steed to school, you're traveling on horseback. Your arrival is going to make your classmates wish they had their own ponies! When horseback is used as a noun, it means "the back of a horse." It's more commonly used to describe someone who sits on a horse's back, a horseback rider, or as an adverb to describe that mode of transportation. Even if you're not experienced with horses, you may dream of one day going horseback riding on a beautiful beach!

Example Sentences

See Examples For:

horseback

Its glacial flatness doesn’t lend itself to crusades, or to impressive scenes like a man on horseback silhouetted against the sunset.

From Salon ● Aug. 9, 2026

He's despatched messengers on horseback to free Harold who has been taken captive in France.

From BBC ● Jul. 17, 2026

San Bernardino County sheriff’s deputies have searched for Goforth on horseback and in off-road vehicles, using search-and-rescue dogs, drones and a helicopter, according to the Sheriff’s Department.

From Los Angeles Times ● Jul. 14, 2026

The resulting sequence sees her pursued on horseback by death personified, and it remains, 98 years later, a dazzling thrill on the big screen.

From The Wall Street Journal ● Jun. 10, 2026

It also offered horseback riding along the resort’s dirt trails, swimming in a huge outdoor pool, clay tennis courts, casino gambling, an antiques shop, and even a movie theater for the guests.

From "Reaching for the Moon" by Katherine Johnson