CALDERA


Meaning of CALDERA in English

n.

Pronunciation: kal- ' der- ə , ko ̇ l-, - ' dir-

Function: noun

Etymology: Spanish, literally, caldron, from Late Latin caldaria ― more at CAULDRON

Date: 1691

: a volcanic crater that has a diameter many times that of the vent and is formed by collapse of the central part of a volcano or by explosions of extraordinary violence

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.