It can be translated as "cutter, cutter". He is a person who knows in depth the mechanisms of a system and uses them creatively taking his capabilities to the extreme, even for what he was not intended, modifying his programs and original construction. This word is widely used in computer science to name technicians who find a way to overcome design obstacles, security, standards, . . . When he uses his abilities to commit crimes he is called a cracker.
* Only one "like" per meaning and day, the more "likes" the meaning will appear higher in the list