[{"word":"eurypterids","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A large, prehistoric, carnivorous arthropod, of the class †Eurypterida, thought to be one of the first animals to venture onto land.","synonyms":[],"antonyms":[]}],"synonyms":["sea scorpion"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/eurypterid","https://en.wiktionary.org/wiki/eurypterids"]}]