disk

Definition

A thin, flat, circular plate or similar object.

Etymology

From Ancient Greek δίσκος (dískos, “a circular plate suited for hurling”), from δικέω (dikéō, “to hurl, to launch”). Doublet of dais, desk, disc, discus, dish, and diskos.

Example Sentences

• "A coin is a disk of metal."
• "Venus' disk cut off light from the Sun."
• "Turn the disk over, after it has finished."