a wrestling hold in which the arms are pressed against the opponent's windpipe
complete power over a person or situation; "corporations have a stranglehold on the media"; "the president applied a chokehold to labor disputes that inconvenienced the public"
air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
breathing device consisting of a bent tube fitting into a swimmer's mouth and extending above the surface; allows swimmer to breathe while face down in the water