crack

verb (GET INTO)

/kræk/

Definition

› [T] to break something open, especially in order to reach or use what is inside: Crack three eggs into a bowl and mix them together. He cracked (open) the nuts with his hands.Unfastening and opening › [T] (also crack into sth) to get into someone else's computer system without permission and get information or do something illegalOperating computers › [T] informal to copy computer programs or recorded material illegallyOperating computers

(Definition of crack verb (GET INTO) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)