soph ‧ o ‧ more /ˈsɒfəmɔː $ ˈsɑːfəmɔːr/ BrE AmE noun [countable]
[ Date: 1600-1700 ; Origin: Probably from Greek sophos ( ⇨ ↑ sophistry ) + moros 'stupid' ]
American English a student who is in their second year of study at a college or ↑ high school ⇨ freshman , junior , senior