[{"word":"plastron","phonetic":"/ˈplæstɹən/","phonetics":[{"text":"/ˈplæstɹən/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The nearly flat part of the shell structure of a tortoise or other animal, similar in composition to the carapace.","synonyms":[],"antonyms":[]},{"definition":"A half-jacket worn under the jacket for padding or for safety.","synonyms":[],"antonyms":[]},{"definition":"A man's shirt-bosom.","synonyms":[],"antonyms":[]},{"definition":"An ornamental front panel on a woman's bodice.","synonyms":[],"antonyms":[]},{"definition":"A breastplate.","synonyms":[],"antonyms":[]},{"definition":"A film of air trapped by specialized hairs against the body of an aquatic insect, and which acts as an external gill.","synonyms":[],"antonyms":[],"example":"The plastron of a diving beetle is not directly a source of oxygen, but acts as a gill, acquiring oxygen from the surrounding water."}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/plastron"]}]