A vessel, cell, duct, or tube containing or carrying out air; once the atmosphere vessels of insects, wild birds, flowers, etc.; the air vessel of a pump, motor, etc. When it comes to second, see environment chamber. The atmosphere vessels of bugs are known as tracheæ, of plants spiral vessels.
A vessel, cellular, duct, or pipe containing or conducting environment; as the environment vessels of pests, wild birds, plants, etc.; the atmosphere vessel of a pump, motor, etc. The latter, see atmosphere chamber. The air vessels of bugs are called tracheæ, of plants spiral vessels.