Lung
Here is the meaning and Word Scramble Game information for Lung
LUNG5 is a valid Scrabble Word in NWL, formerly TWL (USA, Thailand, Canada)
LUNG5 is a valid Scrabble Word in CSW, formerly SOWPODS (Other Countries)
LUNG9 is a valid word in WWF
(n.) An organ for aerial respiration; -- commonly in the plural.