[{"word":"cofferdam","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A temporary watertight structure that is pumped dry to enclose an area underwater and allow construction work on a ship, bridge, or rig to be carried out; a caisson.","synonyms":[],"antonyms":[]},{"definition":"An empty space that acts as a protective barrier between two floors or bulkheads on a ship.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/cofferdam"]}]