from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A game in which people guess which side of a coin will be face up after it is tossed.
from the GNU version of the Collaborative International Dictionary of English
- n. this side or that side; this thing or that; -- a phrase used in throwing a coin to decide a choice, question, or stake, head being the side of the coin bearing the effigy or principal figure (or, in case there is no head or face on either side, that side which has the date on it), and tail the other side.
Sorry, no etymologies found.