noun
EXAMPLES FROM CORPUS
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Harry was saying there had been a bar here in the boathouse and a grotto below.
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He was out hunting and hot and thirsty entered a grotto where a little stream widened into a pool.
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Past the end of the lake a limestone grotto is reached, affording shelter but not now maintained in pristine condition.
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The illusion is that the water is emerging from within the grotto .
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The real highlight, though, was the grotto , which took up most of one wall.