from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. destruction, massacre ("laughter. — That natural propension of self-love, and natural principle of self-preservation, will necessarily break out into wars and internecions" Hale)
- n. Mutual destruction (less common)
from the GNU version of the Collaborative International Dictionary of English
- n. Mutual slaughter or destruction; massacre.
from The Century Dictionary and Cyclopedia
- n. General slaughter or destruction.
Latin internecio (Wiktionary)