nat I. \ˈnat\ dialect Britain variant of not II. \ˈnät\noun (-s) Etymology: Burmese nāt, from Sanskrit nātha protector, lord : one of a general class of spirits in the folklore and aboriginal religion of Burma < house nats and river nats — all of whom have to be propitiated — New York Times > III. abbreviation 1. national; nationalist 2. native 3. natural; naturalist; naturalized