Definition of "caverns" []

• Plural form of cavern. (noun)

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• "While complaining that he is imprisoned in "caverns,""
• "This heat, combined with the 100% humidity in the caverns, is so suffocating and disorienting that researchers can only safely spend a few minutes at a time studying this fantastic sight."
• "The months-long exploration of these deep caverns is filled with all the wonder I've come to expect from these stories and does not disappoint."