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.
To appear wavelike.
To cause to resemble a wave
To cause to move in a wavelike motion.
To move in wavelike motions.
Changing the pitch and volume of one's voice.
Wavy in appearance or form.
sinuous, winding up and down.