lung . ( Of the lat. )(do do pulmo, - onis, and this of the g p? and? µ?). 1. m. organ of respiration of humans and vertebrates living or cannot live out of the water. Spongy structure, soft, flexible, it compresses and expands, and occupies a part of the chest cavity. They are usually two, although some reptiles have one single. 2. m. Zool. Respiratory organ of terrestrial molluscs, consisting of a cavity whose walls are provided with numerous blood vessels and that communicates with the outside through a hole which penetrates the atmospheric air. lung of steel. 1. m. metal camera designed to provoke respiratory movements of the patient lying on his inside, with alternatives for the air pressure regulated automatically. lung Marino. 1. m. medusa. to full lung , o a todo pulmón . 1. locs. income. All the strength and power as possible. Sing, shout, breathe to the lung. ? V. cane of the lung