The term 'REQUIRED BET' is a gambling term that refers to the minimum amount of money that must be wagered in order to participate in a game. The crossword solution for this term is 'ANTE', which is a Latin word meaning 'BEFORE'. In gambling, an ante is a forced bet that all players must make BEFORE any cards are dealt. This bet is usually equal for all players and is used to create a pot that can be won by the player with the best hand.