disc

Definition

A thin, flat, circular plate or similar object.

Etymology

From French disque, from Latin discus, from Ancient Greek δίσκος (dískos, “disk, quoit, platter”). Doublet of dais, desk, discus, dish, disk, and diskos.

Example Sentences

• "A coin is a disc of metal."
• "Venus's disc cut off light from the Sun."
• "[A] peculiar luminous and sinuous marking appeared on the unillumined half of the inner planet, and almost simultaneously a faint dark mark of a similar sinuous character was detected upon a photograph of the Martian disc."