air hole is a noun meaning "a local region of low pressure or descending air that causes a plane to lose height suddenly". It carries 2 recorded senses.
a local region of low pressure or descending air that causes a plane to lose height suddenly
a hole that allows the passage of air
Definitions, synonyms and semantic relations for air hole come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.