you put pills in it.
Traditionally these boxes were shallow and round. Because of the shape, they gave their name to pillbox hats (little brimless hats like usherettes used to wear) or military pillboxes which are concrete emplacements, round, flat-topped, with a small window in one side.
sandbox shoebox pillbox
I stored my pills in a pillbox.
A toque was a small, round woman's hat, sometimes called a "pillbox" hat.
Roy Halston, an american fashion designer, invented the pillbox hat
boxcar hatbox matchbox oxtail oxcart pillbox toolbox
pillbox
A Japanese Pillbox is the dug out where they use to shoot from in WWII. They were very popular on Iwa Jima when the Americans invaded.
The service on offer for the Pillbox is that one can put tablets in a container called a pillbox and it should have days and times to take medication. If forgotten then it should beep so one does not forget to take the medication.
It is a pillbox.
Combat - 1962 The Pillbox 2-17 was released on: USA: 7 January 1964
Jumping off of the cap of a pillbox is an English term used figuratively. To jump off of a cap of a pillbox means to jump off of a house. There are many examples posted on youtube by English youth.
To clean out pillbox,tunnels,etc.