{"id":"03620342-n","lexname":"noun.artifact","members":[{"lemma":"keystone","sense":{"id":"keystone%1:06:00::"},"pronunciation":[{"value":"ˈkiː.stəʊn"}],"poskey":"n"},{"lemma":"key","sense":{"id":"key%1:06:03::"},"poskey":"n"},{"lemma":"headstone","sense":{"id":"headstone%1:06:00::"},"poskey":"n"}],"definition":["the central building block at the top of an arch or vault"],"ili":"i55367","partOfSpeech":"n","hypernym":["02918159-n"],"hyponym":["04042388-n"],"holo_part":["02736529-n"]}