air vessel

1 definition found

air vessel - Collaborative International Dictionary of English v.0.48 :

  Air vessel \Air" ves`sel\
     A vessel, cell, duct, or tube containing or conducting air;
     as the air vessels of insects, birds, plants, etc.; the air
     vessel of a pump, engine, etc. For the latter, see Air chamber
     . The air vessels of insects are called trache[ae],
     of plants spiral vessels.
     [1913 Webster] Airward