registered

reg|is|tered /r'edʒɪstə^rd/
[ADJ] usu ADJ n
A registered letter or parcel is sent by a special postal service, for which you pay extra money for insurance in case it gets lost.
He asked his mother to send it by registered mail.reg|is|tered nurse (registered nurses)
[N-COUNT]
A registered nurse is someone who is qualified to work as a nurse. (AM, AUSTRALIAN)