Definition of "subterraneous" []

• Subterranean. (adjective)

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• "This study cannot progress till the various epochs of simultaneous action, the direction, the extent, and the force of the convulsions are carefully noted; till we have attentively observed their progressive advance to regions which they had not previously reached; and the coincidence between distant volcanic eruptions and those noises which the inhabitants of the Andes very expressively term subterraneous thunders, or roarings."
• "After breakfast, we went to see what was called a subterraneous house, about a mile off."
• "And this is a purgatory after this life; that is, a subterraneous place and various means, where and whereby the souls of men are purged from all their sins and made meet for heaven, when the Lord Christ thinks meet to send for them, or the pope judges it fit to send them to him."