To die from suffocation while immersed in water or other fluid.
To kill by suffocating in water or another liquid.
To be flooded: to be inundated with or submerged in (literally) water or (figuratively) other things; to be overwhelmed.
To inundate, submerge, overwhelm.
To obscure, particularly amid an overwhelming volume of other items.
To use a snorkel.
A snorkel parka.
A retractable tube fitted in diesel-engine submarines to allow sufficient ventilation that the engines may be used at periscope depth.
A hollow tube, held in the mouth, or mounted on and opening into a diving mask, used by swimmers for breathing underwater.