gag

1. A device to restrain speech, such as a rag in the mouth secured with tape or a rubber ball threaded onto a cord or strap. (countable, uncountable)
2. An order or rule forbidding discussion of a case or subject. (countable, uncountable)
3. Any suppression of freedom of speech. (countable, figuratively, uncountable)
4. A joke or mischievous prank. (countable, uncountable)
5. a device or trick used to create a practical effect; a gimmick (countable, uncountable)
6. A shocking or surprising thing. (countable, uncountable)
7. A convulsion of the upper digestive tract, caused by the gag reflex. (countable, uncountable)
8. Any member of the species Mycteroperca microlepis of groupers. (countable, uncountable)

Plural gags