BURGLAR
burglar
(noun) a thief who enters a building with intent to steal
Source: WordNet® 3.1
Etymology
Noun
burglar (plural burglars)
A person who breaks in to premises with the intent of committing theft
Verb
burglar (third-person singular simple present burglars, present participle burglaring, simple past and past participle burglared)
(ambitransitive) To commit burglary; to burgle.
Source: Wiktionary
Bur"glar, n. Etym: [OE. burg town, F. bourg, fr. LL. burgus (of
German origin) + OF. lere thief, fr. L. latro. See Borough, and
Larceny.] (Law)
Definition: One guilty of the crime of burglary. Burglar alarm, a device
for giving alarm if a door or window is opened from without.
Source: Webster’s Unabridged Dictionary 1913 Edition