from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A face lacking any interpretable expression, as that of an expert poker player.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An impassive facial expression cultivated to prevent other players from determining whether one's actions in the game are the result of a quality hand, or of bluffing.
- n. Any similar expression used to prevent giving away one's motives, feelings, or situation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a face without any interpretable expression (as that of a good poker player)
Sorry, no etymologies found.