Dictionary definition · register
noun
- an official written record of names or events or transactions
- (music) the timbre that is characteristic of a certain range and manner of production of the human voice or of different pipe organ stops or of different musical instruments
- a book in which names and transactions are listed
- (computer science) memory device that is the part of computer memory that has a specific address and that is used to hold information of a specific kind
- an air passage (usually in the floor or a wall of a room) for admitting or excluding heated air from the room
- a regulator (as a sliding plate) for regulating the flow of air into a furnace or other heating device
verb
- record in writing; enter into a book of names or events or transactions
- record in a public office or in a court of law"file for divorce"
- enroll to vote"register for an election"
- be aware of"Did you register any change when I pressed the button?"
- indicate a certain reading; of gauges and instruments"The thermometer showed thirteen degrees below zero"
- have one's name listed as a candidate for several parties
Source: Open English WordNet (CC BY 4.0).