Definitionen
1.NounAn area of hostile territory that has been seized for use as an airbase to ensure the further safe landing of troops and materiel.
2.NounA (usually temporary) landing area for aircraft for supplying a non-military operation.
3.NounAlternative form of air-head (“a horizontal channel providing ventilation in a mine.”).
4.NounA foolish, silly, or unintelligent person.