What is Burglar?

Legal Definition
One who commits burglary. One who breaks into a dwelling-house in the night-time with intent to commit a felony. Wilson v. State, 34 Ohio St. 200; O'Connor v. Press Pub. Co., 34 Misc. Rep. 564, 70 N. Y. Supp. 367.
-- Black's Law Dictionary
Legal Definition
One who commits burglary.
-- Ballentine's Law Dictionary