from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A plane dividing a bilaterally symmetrical animal into right and left halves.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The only plane along which the human body is roughly symmetrical, running from the top to the bottom through navel, separating the left and the right hand.
from the GNU version of the Collaborative International Dictionary of English
- adj. the mesial plane.
Sorry, no etymologies found.