To make its sound.
To kill someone or something.
To complain; especially, to grumble; to forebode evil; to utter complaints or forebodings habitually.
To die.
To utter in a low, hoarse voice.
To make a croak.
The call of a frog or toad. (see also ribbit)
A faint, harsh sound made in the throat.
The harsh call of various birds, such as the raven or corncrake, or other creatures.
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.