from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Astronomy Any of five points, stable with respect to gravitational forces and in the orbital plane of two bodies, one of which is much larger than the other. A third, smaller body placed at one of these points will remain in equilibrium with respect to the other two bodies.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Alternative form of Lagrange point.
After Comte Joseph Louis Lagrange.(American Heritage® Dictionary of the English Language, Fourth Edition)