[{"word":"backsight","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The rear sight of a firearm.","synonyms":[],"antonyms":[]},{"definition":"A measurement or reading taken back towards a point of known elevation, used to calculate the height of the surveying instrument (theodolite, transit, total station).","synonyms":[],"antonyms":[]},{"definition":"A measurement of a previously shot point, used to set the angle to zero when occupying a new position.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]},{"partOfSpeech":"verb","definitions":[{"definition":"To shoot a backsight.","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/backsight"]}]