Home › Words › S › spheroscopespheroscopespheroscope means A circular card that represents the positions of stars using altazimuth coordinates.Among words judged in Lexicurio's Arena, spheroscope ranks #16,022 of 42,762 for Qualifying.EtymologyFrom sphero- + -scope.nounA circular card that represents the positions of stars using altazimuth coordinates.Definitions & examples from Wiktionary (CC BY-SA 3.0).