I didn't understand "a push" at first : It's a blackjack term : "In the case of a tied score, known as 'push' or 'standoff', bets are normally returned without

I didn't understand "a push" at first : It's a blackjack term : "In the case of a tied score, known as 'push' or 'standoff', bets are normally returned without adjustment; however, a blackjack beats any hand which is not a blackjack, even with value 21. Blackjack vs. blackjack is a push."