Hookah and Water pipe

Hookah noun - An oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water.

Water pipe is a synonym for hookah in pipe topic. In some cases you can use "Water pipe" instead a noun "Hookah", when it comes to topics like shisha.

Water pipe noun - An oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water.

Hookah is a synonym for water pipe in shisha topic. You can use "Hookah" instead a noun phrase "Water pipe", if it concerns topics such as pipe through which water moves.