[cour.te.sy] n, pl -sies [ME corteisie, fr. OF, fr. corteis] (13c) 1 a: courteous behavior b: a courteous act or expression
2. a: general allowance despite facts: indulgence "hills called mountains by ~ only" b: consideration, cooperation, and generosity in providing (as a gift or privilege); also: agency, means--used chiefly in the phrases through the courtesy of or by courtesy of or sometimes simply courtesy of
[2]courtesy adj (1613): granted, provided, or performed as a courtesy or by way of courtesy "made a ~ call on the ambassador"