Definition of "registrar"

An official keeper or recorder of records.

1. An officer in a university who keeps enrollment and academic achievement records.  examples

2. (museums) The person responsible for record-keeping related to a museum's or archive's collection.  examples

3. (law) The chief executive officer of a judicial forum, in charge of the entire registry of the department.  examples

A doctor receiving advanced specialist training in some countries in order to become a consultant.  examples

(Internet) a service that manages domain names.  examples