from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A unifacial stone tool.
from The Century Dictionary.
- noun A coin struck on one side only.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun archaeology A
prehistoric stone toolthat has been flakedon one surfaceonly.
from Wiktionary, Creative Commons Attribution/Share-Alike License
uni- + face
I've overheard discussion of a certain arrangement of features known as a unibrow; well, I had a uniface.