noun
A document containing a certified statement.
A document evidencing ownership or debt.
(education) A document serving as evidence that a person has completed an educational course, issued either by an institution not authorised to grant diplomas, or to a student not qualifying for a diploma.
(computing theory) The information needed in order to verify a positive answer to a problem.
(computing) Ellipsis of public key certificate.
(British, Ireland) A motion picture age rating.
verb
To supply with a certificate, especially following certification.