Definition of "Register" :

noun: a cashbox with an adding machine to register transactions; used in shops to add up the bill

noun: a regulator (as a sliding plate) for regulating the flow of air into a furnace or other heating device

noun: an air passage (usually in the floor or a wall of a room) for admitting or excluding heated air from the room

noun: (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

noun: (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

noun: an official written record of names or events or transactions

noun: a book in which names and transactions are listed

verb: enter into someone's consciousness

"Did this event register in your parents' minds?."

verb: indicate a certain reading; of gauges and instruments

verb: record in a public office or in a court of law

verb: send by registered mail

"I'd like to register this letter."

verb: manipulate the registers of an organ

verb: be aware of

"Did you register any change when I pressed the button?."

verb: show in one's face

"Her surprise did not register."

verb: enroll to vote

"Register for an election."

verb: record in writing; enter into a book of names or events or transactions

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