an oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water; "a bipolar world with the hookah and Turkish coffee versus hamburgers and Coca Cola"
air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
breathing device consisting of a bent tube fitting into a swimmer's mouth and extending above the surface; allows swimmer to breathe while face down in the water