To exhale upon baptismal water, or the one being baptised, as a ritual act.
To breathe or blow into or on.
To inhale (a powder etc.).
To treat by blowing a gas, vapor, or powder into a body cavity.
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.