Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: School, Collegeupperclassmanup‧per‧class‧man /ˌʌpəˈklɑːsmən $ -pərˈklæs-/ noun (plural upperclassmen /-mən/) [countable] American EnglishSESSEC a student in the last two years of a school or university ldoceonline.com
