The right of an airline of one country to fly over the territory of another country without stopping.

The right of an airline of one country to land in a different country and board passengers travelling to the airline’s own country.

The right of an airline of one country to land in a different country and deplane passengers coming from the airline’s own country.

A member of a guild of skilled itinerant masons during the Middle Ages and early modern times.

The bilateral agreements concerning international air travel defined by the Chicago Convention in 1944, covering such topics as overflight, stopovers, and passenger carriage.

Fellowship and sympathy among a number of people. / The institutions, precepts, and rites of the Freemasons. / Strange customs which resemble those of Freemasons.

The right of an airliner of one country to land in another country for technical reasons such as refueling and maintenance.

The right of an airline of one country to land in a different country, pick up passengers, and carry them on to a third country — e.g. a British airline flying to France, collecting passengers, and taking them to Italy.

(Incoterm) without charge to the purchaser for delivery on board a carrier (originally a ship), at a specified location or point; used in such phrases as FOB destination to specify the point where the title of goods passes from the seller to the buyer

(colloquial) Without consequences or penalties, to go free without payment. / (archaic) Free of scot, free of tax.