sub·prin·ci·pal noun \-ˈprin(t)-s(ə-)pəl, -sə-bəl\
: an assistant principal (as of a school)
: a secondary or bracing rafter
First Known Use of SUBPRINCIPAL
Seen & Heard
What made you want to look up subprincipal? Please tell us where you read or heard it (including the quote, if possible).