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

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