Definition of "groining" [groining]

• Present participle of groin. (verb)

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• "This remarkable effect was produced by the depth of the eye-socket, under which the eye moved free from its setting; the arch of the brow was so accurate as to resemble the groining of a vault."
• "Such groining of the roof is only made by Nature's hand."
• "The wooden groining of the tower is curious, and the base of the walls show the existence of a former building that lacked the present aisles."