boulder

Pronunciation

• (UK) IPA ^(key): /ˈbəʊl.də(r)/
• (US) IPA ^(key): /ˈboʊldər/

• Audio (US)

  (file)

• Homophone: bolder

Noun

Singular boulder

Plural boulders

1. (countable) A boulder is a large piece of stone or rock.