magnet Definition

magnet
noun

1. A piece of metal, especially a piece of iron, with the power to attract and repel iron, and the tendency to point in an approximate north-south direction when freely suspended.
2. Someone or something that attracts.

Example: That rubbish bin is a magnet to flies
Form: a magnet for something (especially)
Form: a magnet to something

Etymology: 15c, meaning ‘lodestone'1: from Greek Magnetis lithos Magnesian stone; see magnesia.

Info:

There is sometimes a spelling confusion between magnet and magnate.