Definition of "grottoes" []

• Plural form of grotto. (noun)

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• "I ketched 'em in grottoes, I ketched 'em in caves,"
• "The curious discovering them in such places (since the level of the ground has gradually been raised while they have remained below, and since in Rome these vaulted rooms are commonly called grottoes), it has followed that the word grotesque is applied to the patterns I have mentioned."
• "They emerged from these underground rooms -- "grottoes," as they called them -- to decorate Rome in a new, "grotesque" style."