from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The measurement of distances, angles and areas on a plane, especially on a map
from the GNU version of the Collaborative International Dictionary of English
- n. The mensuration of plane surfaces; -- distinguished from stereometry, or the mensuration of volumes.
from The Century Dictionary and Cyclopedia
- n. The mensuration of plane surfaces, or that part of geometry which regards lines and plane figures.
plani- + -metry (Wiktionary)