Tennessee Code Title 4. State Government § 4-31-603

(1) “Airport” means and includes any one (1) or more airports or heliports and related facilities of an airport authority or municipal airport, including, but not limited to, land and interests in land, facilities for storage of air and space craft, navigation and landing aids, taxiways, pads, aprons, control towers, passenger and cargo terminal buildings, hangars, administration and office buildings, garages, parking lots, and such other structures, facilities and improvements necessary or convenient to the development and maintenance of airports and heliports, and for the promotion and accommodation of air and space travel, commerce and navigation;

(2) “Airport authority” means those airport authorities created pursuant to title 42, chapter 3 and those metropolitan airport authorities created pursuant to title 42, chapter 4;

(3) “Construction” means the building, reconstruction, creation, replacement, extension, repair, betterment, improvement, installation, alteration, equipping, extension, development, acquisition by gift, lease, purchase, or the exercise of the right of eminent domain, or any one (1) or more of the foregoing, including the acquisition of property and rights in property, real and personal;

(4) “Loan agreement” means a contractual arrangement by and between an airport authority or a municipal airport and the authority and, in the discretion of the authority, the creating or participating municipality providing the guaranty, pursuant to and in accordance with this part;

(5) “Municipal airport” means those county or municipal airports created pursuant to title 42, chapter 5; and

(6) “Project” means any one (1) or any combination of the following: safety improvements for airports; mitigation of noise created by activity of an airport, including the acquisition of property and rights in property, real and personal, related thereto; and for any purpose for which bonds or notes can be issued pursuant to the Metropolitan Airport Authority Act, compiled in title 42, chapter 4.