from The American Heritage® Dictionary of the English Language, 4th Edition
- n.pl. The lungs, especially the lungs of an animal slaughtered for food.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Plural form of light.
- n. A butcher's term for the lungs of an animal (being lighter than adjacent parts).
- v. Third-person singular simple present indicative form of light.
from the GNU version of the Collaborative International Dictionary of English
- n.pl. The lungs of an animal or bird; -- sometimes coarsely applied to the lungs of a human being.
Middle English lightes, from light, light in weight (from the lightness of the lungs compared to other organs); see light2.(American Heritage® Dictionary of the English Language, Fourth Edition)