Horseback
Part of speech: adverb
Definition: On the back of a horse.
Part of speech: noun
Definition: The back of a horse. A ridge of sand, gravel, and boulders.
Ahorseback
Part of speech: adverb
Definition: On the back of a horse; horseback.
Horseback as an adverb is on the back of a horse. while Ahorseback as an adverb is on the back of a horse; horseback.
Part of speech: adverb
Definition: On the back of a horse.
Part of speech: noun
Definition: The back of a horse. A ridge of sand, gravel, and boulders.
Part of speech: adverb
Definition: On the back of a horse; horseback.
We hope you now know whether to use Horseback or Ahorseback in your sentence.