Nothing was found to satisfy them on this point, but, passing on beyond the first recess entered, they were amazed to find a second grottoed recess, similar to the first, but much longer, and here, with merely a wall separating them from the other recess, was an orgy of bones and weapons.    From Wordnik.com.  [The Wonder Island Boys: The Mysteries of the Caverns] Reference

At length these streets becoming more straggling yet, dwindled and dwindled away, until there were only small garden patches bordering the road, with many a summer house innocent of paint and built of old timber or some fragments of a boat, green as the tough cabbage – stalks that grew about it, and grottoed at the seams with toad – stools and tight – sticking snails.    From Wordnik.com.  [The Old Curiosity Shop] Reference

In its east pavilion was a double row of grottoed and illuminated aquaria containing the strangest inhabitants of the deep.    From Wordnik.com.  [Elsie at the World's Fair] Reference

At sunset, had there been one, we went into the Villa d'Este, entering through the huge deserted courts and grottoed halls of the colossal palace, surprised to find the enchanted gardens, the terraces and cypresses descending on the other side, the grey vague plain and distant mountains -- and always the sound of waters.    From Wordnik.com.  [The Spirit of Rome] Reference

At length these streets becoming more straggling yet, dwindled and dwindled away, until there were only small garden patches bordering the road, with many a summer house innocent of paint and built of old timber or some fragments of a boat, green as the tough cabbage-stalks that grew about it, and grottoed at the seams with toad-stools and tight-sticking snails.    From Wordnik.com.  [The Old Curiosity Shop] Reference

He pray'd afar in dim and grottoed haunt.    From Wordnik.com.  [Cromwell] Reference

The cool, green glooms, the grottoed deep retreat.    From Wordnik.com.  [The Path of Dreams Poems] Reference