feeder line - a branching path off of a main transportation line (especially an airline)

main line - the principal route of a transportation system

data track, track - (computer science) one of the circular magnetic paths on a magnetic disk that serve as a guide for writing and reading data

air lane, skyway, airway, flight path - a designated route followed by airplanes in flying from one airport to another

approach pattern, traffic pattern, pattern - the path that is prescribed for an airplane that is preparing to land at an airport; "the traffic patterns around O'Hare are very crowded"; "they stayed in the pattern until the fog lifted"

flight path - the path of a rocket or projectile or aircraft through the air

beat, round - a regular route for a sentry or policeman; "in the old days a policeman walked a beat and knew all his people by name"

bus route - the route regularly followed by a passenger bus

line - a spatial location defined by a real or imaginary unidimensional extent

line of flight - the path along which a freely moving object travels through the air

line of march - the route along which a column advances

celestial orbit, orbit - the (usually elliptical) path described by one celestial body in its revolution about another; "he plotted the orbit of the moon"

electron orbit, orbit - the path of an electron around the nucleus of an atom

paper round, paper route - the route taken when delivering newspapers every day

beeline - the most direct route; "he made a beeline for the bathroom"

circuit - an established itinerary of venues or events that a particular group of people travel to; "she's a familiar name on the club circuit"; "on the lecture circuit"; "the judge makes a circuit of the courts in his district"; "the international tennis circuit"

crosscut - a diagonal path

supply line, supply route - a route over which supplies can be delivered

line of fire - the path of a missile discharged from a firearm

flyway, migration route - the geographic route along which birds customarily migrate

fairway - the usual course taken by vessels through a harbor or costal waters

direction, way - a line leading to a place or point; "he looked the other direction"; "didn't know the way home"

trade route - a route followed by traders (usually in caravans)

Northwest Passage - a water route between the Atlantic and the Pacific Oceans along the northern coast of North America; Europeans since the 16th century had searched for a short route to the Far East before it was successfully traversed by Roald Amundsen (1903-1906)

guidebook, guide - something that offers basic information or instruction

baedeker - any of a series of travel guidebooks published by the German firm founded by Karl Baedeker

plan of action - a plan for actively doing something