horseback

American  

[hawrs-bak] / ˈhɔrsˌbæk /

noun

1. the back of a horse.

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

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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

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Etymology

Origin of horseback

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

Example Sentences

Nearly 60 years ago, a cowboy rode on horseback into the Northern California wilderness with a 16mm camera.

From The Wall Street Journal

But the most stylish delegation in this global capital of fashion will be the one wearing a cashmere collection inspired by warriors on horseback, nomads in yurts and the strength of history’s most sprawling empire.

From The Wall Street Journal

While serving in California as a Border Patrol sector chief along the southern border, Bovino was fond of posting pictures of himself on horseback and heavily armed.

From The Wall Street Journal

The national monument to the late Queen Elizabeth II will feature a statue of her standing, rather than on horseback as previously illustrated, the memorial committee has announced.

From BBC

“Exquisite and tranquil lands perfect for hiking, horseback riding, snowshoeing, snowmobiling, and more,” the listing crowed.

From MarketWatch