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Word of the Day Tuesday, June 9, 2026

caldera

/kælˈdɛrə/ noun · British & US
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What does caldera mean?

noun

A large depression in the Earth's surface formed by collapse of a volcano following an eruption, or a large artificial container, typically a large tank or reservoir, used for storing liquids or gases.

Example

"The caldera of the volcano was a massive crater, several miles wide and deep."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for caldera

Rhymes with caldera

Etymologically related