horseback

From Middle English horsebacke, horsebak, horsbak, equivalent to horse +‎ back.

• (General American) IPA^(key): /ˈhɔɹsˌbæk/

• Audio (US):

  (file)

• (Received Pronunciation) IPA^(key): /ˈhɔːsˌbæk/

horseback (countable and uncountable, plural horsebacks)

1. (usually with on, upon, etc.) The back of a horse.

   They came on horseback across the plains.

2. (countable) A ridge of sand, gravel, and boulders.

• (ridge): esker

horseback (not comparable)

1. On the back of a horse.

   Synonyms: ahorse, ahorseback, on horseback

• backshore