an object or substance that can attract iron etc, either naturally or by using and electrical current; a person or thing that attracts
bait
Cases of word usage
1) of magnetism; having the properties of a magnet (magnetic)
2) to give magnetic properties to (an object or substance); to attract (people) as a magnet attracts things (magnetize)
3) either of the two ends of the Earth's axis; either of the two ends of a magnet or the terminal points of an electric battery; thin, long, rounded piece of wood or metal, e.g. as a handle for broom etc (pole)