1) something or things wrapped and tied up for carrying, sending by post etc (parcel)

2) a flat area to which ships are tied up for loading and unloading (quay)

3) that makes up for (a loss, injury, fault etc); a way of keeping an amount (of money, time etc) (saving)

4) a structure put up for workers round a building which is being built or prepared; a platform on which criminals are executed (scaffold)