1DFa hard dry type of bread in small flat shapes, that is often eaten with cheese
2alsoChristmas crackerDLa decorated paper tube that makes a small exploding sound when you pull it apart. Crackers contain a small gift, a paper hat, and a joke, and are used at Christmas in Britain.
4British Englishspokensomething that is very good or funny:
That was a cracker of a goal.
5TDsomeone who illegally breaks into a computer system in order to steal information or stop the system from working properly [= hacker]:
6British Englishold-fashionedinformala very attractive woman
WORD FOCUS: computer WORD FOCUS: computer people who work with computers:user, programmer, web designer, IT person, software engineer, (systems) analyst, administrator, webmaster, helpdesk, techieinformal, geekdisapproving informal someone who tries to break into a computer system:hacker, cracker things you do with your computer:start up/power upyour computer opena file or document enterinformation click onan icon cut and pastepieces of text copyfiles or programs scroll up and down the page deletethings you do not want downloadfiles or pictures from the Internet burnCDs or DVDs closea file or document saveyour work shut downyour computer computer problems:bug, virus, error, corrupted file/data, crash, wormcomputer ➔ See alsocomputer
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.