Meaning of “enrol” - Learner’s Dictionary

enrol

verb [ I, T ] present participle enrolling, past tense and past participle enrolled UK US enroll us uk /ɪnˈrəʊl/

to become or make someone become an official member of a course, college, or group:

I've UK enrolled on / / US enrolled in a creative writing course.
enrolment noun [ C, U ] UK US enrollment

(Definition of “enrol” from the Cambridge Learner’s Dictionary © Cambridge University Press)