Possible Definitions:
1. Poker (n.) One who pokes.
2. Poker (n.) That which pokes or is used in poking, especially a metal bar or rod used in stirring a fire of coals.
3. Poker (n.) A poking-stick.
4. Poker (n.) The poachard.
5. Poker (n.) A game at cards derived from brag, and first played about 1835 in the Southwestern United States.
6. Poker (n.) Any imagined frightful object, especially one supposed to haunt the darkness; a bugbear.