a flat, round shape or object, like a coin or a plate
The child painted a bright yellow disk to represent the sun in her picture.
Mom cut the cookie dough into small disks before baking.
✦ From Latin discus “quoit, plate, dish,” borrowed through Old French and Middle English.
a thin, round magnetic plate inside a computer or other device where information is stored
I saved the photos onto a portable disk to share them later.
The old computer made a whirring sound as its hard disk started.
✦ Sense developed in the 20th century when magnetic storage was first introduced.
