National general aviation aisle locations travel agent reservations partner rewards reserve for someone else emerald club sign in emerald club enroll emerald club benefits emerald club …Of, relating to, or maintained by a nation as an organized whole or independent political unit.See examples of national used in a sentence.National geographic society funds the best and brightest individuals dedicated to scientific discovery, exploration, education and storytelling to illuminate and protect the wonder of our world.Insurance and retirement solutions to protect your todays and tomorrows.Relating to or typical of a whole country and its people, rather than to part of that country or….Learn more.