a snow sport in which participants slide down slopes headfirst lying flat on an inflatable board
stopped up by air.
Slang. a scatterbrained, stupid, or simple-minded person; dolt. noun (military) an area secured in hostile territory, used as a base for the supply and evacuation of troops and equipment by air noun (slang) a stupid or simple-minded person; idiot n. “empty-headed person,” 1972, from air (n.1) + head (n.). Earlier as a term in mining […]
an instrument for cutting tooth structure by means of a stream of particles under gas or . noting or pertaining to the technique of using this instrument.
noun (mainly Brit) a brick with holes in it, put into the wall of a building for ventilation