ˈshōrˌan, ˈshȯˌran, ̷ ̷ˈ ̷ ̷ noun
( -s )
Etymology: sho rt- ra nge n avigation
: a system of short-range navigation in which two radar signals transmitted by an airplane are intercepted and rebroadcast to the airplane by two ground stations of known position with the time that the signals take for their round trips indicating the distance to each station and thus the position of the airplane