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

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

Her doctors have warned that any new head injury would be fatal and insisted she give up horseback riding, she said in an interview from her home about 90 minutes from Charlotte, N.C.

From The Wall Street Journal

The practice sees an animal-based scent trail laid for dogs to follow rather than a real animal, while a group of hunters follows the pack on horseback.

From BBC