The term 'Poker-Hand Starter' refers to the initial bet that must be placed before a game of poker can begin. The crossword solution for this term is 'ante, ' which is a four-letter word. An ante is a forced bet that each player must make before any cards are dealt. This bet is used to create a pot, which is the total amount of money that all players have wagered. The size of the ante is usually determined by the stakes of the game.