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