noun
: an airport having a transfer office for sorting, distributing, dispatching, and transferring airmail ; also : the office at such airport — abbr. A.M.F.
noun
: an airport having a transfer office for sorting, distributing, dispatching, and transferring airmail ; also : the office at such airport — abbr. A.M.F.
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012