Probably either a CD or a DVD
compact disk
Optical Storage Medium
portable storage medium
Optical disk
The CD and the DVD.
round worms are round and flat worms are flat!
It is a flat file (as opposed to round, oval, square, or triangular), with rather medium cross-cuts. It is used for filing common materials such as wood or metal.
Optical disc
round his men were scared it was flat
a centillabite
no
Flat