[{"id":"02940477-n","lexname":"noun.artifact","members":[{"lemma":"caisson","sense":{"id":"caisson%1:06:00::"},"pronunciation":[{"value":"ˈkeɪs(ə)n","variety":"GB"}],"poskey":"n"},{"lemma":"pneumatic caisson","sense":{"id":"pneumatic_caisson%1:06:00::"},"poskey":"n"},{"lemma":"cofferdam","sense":{"id":"cofferdam%1:06:00::"},"poskey":"n"}],"definition":["large watertight chamber used for construction under water"],"ili":"i51366","partOfSpeech":"n","hypernym":["03007334-n"]}]