Pronunciation: (rej"u-strā'shun),[key] —n. 1. the act of registering.
2. an instance of this.
3. an entry in a register.
4. the group or number registered.
5. an official act of registering one's name in the list of qualified voters.
6. a certificate attesting to the fact that someone or something has been registered: a boat registration. 7. Music. a. the act or technique of registrating.
b. the selection of stops made by an organist for a particular piece.