accordion
- n a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player
accordion door
- n an interior door that opens by folding back in sections (rather than by swinging on hinges)
accouchement
- n the parturition process in human beings; having a baby; the process of giving birth to a child
accounting system
- n a bookkeeper's chronological list of related debits and credits of a business; forms part of a ledger of accounts