To hang down; to be sustained by being fastened or attached to something above.
To trust; to have confidence; to rely.
To cause to be contingent or dependent on; to set as a necessity.
To be contingent or conditioned; to have something as a necessary condition; to hinge on.
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.