megalith, megalithic structure
['thresher, thrasher, threshing machine', 'sloth bear, Melursus ursinus, Ursus ursinus', 'Scottish deerhound, deerhound', 'artichoke, globe artichoke', 'hen-of-the-woods, hen of the woods, Polyporus frondosus, Grifola frondosa', 'pier', 'ibex, Capra ibex']