noun A large and often winding stream which drains a land mass, carrying water down from higher areas to a lower point, oftentimes ending in another body of water, such as 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.
a river of blood
noun The last card dealt in a hand.
noun A visually undesirable effect of white space running down a page, caused by spaces between words on consecutive lines happening to coincide.
verb To improve one’s hand to beat another player on the final card in a poker game.