[{"word":"gun-metal","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A type of bronze used for making cannons.","synonyms":[],"antonyms":[]},{"definition":"An alloy of 88% copper, 10% tin and 2% zinc, originally used for making guns.","synonyms":[],"antonyms":[]},{"definition":"A dark grey or bluish-grey colour; gunmetal grey.","synonyms":[],"antonyms":[]}],"synonyms":["red brass","gunmetal gray","gunmetal grey"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/gun-metal","https://en.wiktionary.org/wiki/gunmetal"]}]