register (Noun) — An official written record of names, events or transactions.
register (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.
register (Noun) — A book in which names and transactions are listed.
register (Noun) — (computing) 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.
register (Noun) — An air passage (usually in the floor or a wall of a room) for admitting or excluding heated air from the room.
register (Noun) — A regulator (as a sliding plate) for regulating the flow of air into a furnace or other heating device.
register (Noun) — A cashbox with an adding machine to register transactions; used in shops to add up the bill.
register (Noun) — (printing) the exact alignment of lines, margins and colours.
register (Noun) — (linguistics) the style of a language used in a particular context.
register (Verb) — Record in writing; enter into a book of names, events or transactions.
register (Verb) — (law) record in a public office or in a court of law. ex. "register for divorce"
register (Verb) — Enrol to vote. ex. "register for an election"
register (Verb) — Be aware of. ex. "Did you register any change when I pressed the button?"
register (Verb) — Indicate a certain reading; of gauges and instruments.
register (Verb) — Have one's name listed as a candidate for several parties.
register (Verb) — Show in one's face. ex. "Her surprise did not register"
register (Verb) — (music) manipulate the registers of an organ.
register (Verb) — Send by registered mail. ex. "I'd like to register this letter"
register (Verb) — Enter into someone's consciousness. ex. "Did this event register in your parents' minds?"