the act of reconnoitring (especially to gain information about an enemy or potential enemy); "an exchange of fire occurred on a reconnaissance mission"
in constant agitation; "a seething flag-waving crowd filled the streets"; "a seething mass of maggots"; "lovers and madmen have such seething brains"- Shakespeare
devoted to a cause or ideal or purpose; "a dedicated dancer"; "dedicated teachers"; "dedicated to the proposition that all men are created equal"- A.Lincoln
a line or route along which something travels or moves; "the hurricane demolished houses in its path"; "the track of an animal"; "the course of the river"
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