Definitions
1.NounSomething which is believed to possess, contain, or cause spiritual or magical powers; an amulet or a talisman. .mw-parser-output .defdate{font-size:smaller}
2.NounA figure representing the spirit of a deity, human, or animal; an idol or voodoo doll.
3.NounSexual fixation to or arousal at something abnormally sexual or nonsexual, such as an object or a nonsexual part of the body."I know a guy who has a foot fetish.; a fetish for leather"
4.NounAn irrational or abnormal preoccupation or fixation on some object or activity; an obsession."He has been talking about the same topic for hours on end, I suspect he may have a fetish"
5.NounA recurrent theme of a specific thing.