volcanic crater

Definitions of volcanic crater
1

n a bowl-shaped geological formation at the top of a volcano

Synonyms:
crater
Types:
caldera
a large crater caused by the violent explosion of a volcano that collapses into a depression
maar
a flat-bottomed volcanic crater that was formed by an explosion; often filled with water
Type of:
formation, geological formation
(geology) the geological features of the earth

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.