en·roll (US) or chiefly Brit en·rol 
/ɪnˈroʊl/ verb
en·rolls; en·rolled; en·roll·ing /ɪnˈroʊl/ verb 1 [+ obj] : to enter (someone) as a member of or participant in something — usually + in ▪ They enrolled their children in a private school. ▪ He enrolled himself in a weight-loss program. [=he joined a weight-loss program] 2 a [+ obj] : to take (someone) as a member or participant
▪ The college enrolls about 25,000 students. ▪ They enrolled several volunteers for the study.
b [no obj] : to become a member or participant — usually + in ▪ After graduating from high school he enrolled in the army. ▪ We enrolled in the history course.
▪ The college enrolls about 25,000 students. ▪ They enrolled several volunteers for the study.
b [no obj] : to become a member or participant — usually + in ▪ After graduating from high school he enrolled in the army. ▪ We enrolled in the history course.
— en·roll·ment (US) or chiefly Brit en·rol·ment /ɪnˈroʊlmənt/ noun, plural en·roll·ments
[noncount] ▪ the enrollment of volunteers ▪ School enrollment is up this year. [count] ▪ School enrollments are up this year.
/ɪnˈroʊlmənt/ noun, plural en·roll·ments [noncount] ▪ the enrollment of volunteers ▪ School enrollment is up this year. [count] ▪ School enrollments are up this year.
