1. officially register as a member of an institution or a student on a course: "he enrolled in drama school"Similarregistersign onsign upapplyvolunteerput one's name downmatriculatego in forenterjoinbecome a member oftake upOppositeleave
▪ enter (a deed or other document) among the rolls of a court of justice.
▪ write the name of (someone) on a list or register.
Word Originlate Middle English (formerly also as inroll): from Old French enroller, from en- ‘in’ + rolle ‘a roll’ (names being originally written on a roll of parchment).