: a piece of wood that has been cut to be long and straight so that it can be used for building things and that is about 2 inches thick and 4 inches wide
sound box noun Definition of SOUND BOX 1 : a hollow chamber in a musical instrument for increasing its sonority 2 : a device in an early phonograph for producing sound from a record by using the vibration of a needle to move a diaphragm
flint noun \ˈflint\ : a hard type of rock that produces a small piece of burning material (called a spark) when it is hit by steel : a piece of flint : a piece of metal used for producing a spark