3-bet
A 3-bet is a re-raise before the flop: the blinds are the first bet, the open raise the second and the re-raise the third.
A 3-bet is typically three to four times the open. It is made for value with the best hands and sometimes as a bluff with hands that block strong holdings.
Guides that use this term
Related terms
Practise decisions like this in the trainer: ten hands at a time, with the answer and the reason.