register

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

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”

“file a complaint”

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”

“The gauge read ‘empty’”

have one's name listed as a candidate for several parties