- Noun. A large and often winding stream which drains a land mass, carrying water down from higher areas to a lower point, ending at an ocean or in an inland sea. Occasionally rivers overflow their banks and cause floods.
- Noun. Any large flow of a liquid in a single body (e.g., 'a river of blood').
- Noun. (poker) The last card dealt in a hand.
- Verb. (poker) To improve one’s hand to beat another player on the final card in a poker game.