Real Dictionary

burglary
variable noun: If someone commits a burglary, they enter a building by force and steal things. Burglary is the act of doing this.

burglary in American English
the act of breaking into a house at night to commit theft or other felony
noun: the felony of breaking into and entering the house of another at night with intent to steal, extended by statute to cover the breaking into and entering of any of various buildings, by night or day

burglary in British English
noun: the crime of either entering a building as a trespasser with the intention of committing theft, rape, grievous bodily harm, or damage, or, having entered as a trespasser, of committing one or more of these offences