|1.||either one of a pair of spongy saclike respiratory organs within the thorax of higher vertebrates, which oxygenate the blood and remove its carbon dioxide|
|2.||any similar or analogous organ in other vertebrates or in invertebrates|
|3.||at the top of one's lungs in one's loudest voice; yelling|
|Related: pneumonic, pulmonary, pulmonic|
|[Old English lungen; related to Old High German lungun lung. Compare |
Either of the two saclike organs of respiration that occupy the pulmonary cavity of the thorax and in which aeration of the blood takes place. It is common for the right lung, which is divided into three lobes, to be slightly larger than the left, which has two lobes.
|lung (lŭng) Pronunciation Key
at the top of one's lungs
Also, at the top of one's voice. With an extremely loud voice. For example, The babies in the nursery all were crying at the top of their lungs. The noun top here refers to the greatest degree of volume (that is, loudest) rather than high pitch, a usage dating from the mid-1500s.