MATRIC'ULATE, verb transitive [Latin matricula, a roll or register, from matrix.] To enter or admit to membership in a body or society, particularly in a college or university, by enrolling the name in a register. MATRIC'ULATE, noun One enrolled in a register, and thus admitted to membership in a society.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI