Maryland Criminal Law Section 6-101
§ 6-101.
  (a)   In this subtitle the following words have the meanings indicated.
  (b)   (1)   "Dwelling" means a structure any part of which has been adapted for overnight accommodation of an individual, regardless of whether an individual is actually present.
    (2)   "Dwelling" includes a kitchen, shop, barn, stable, or outbuilding that is a parcel to, belongs to, or adjoins the dwelling.
  (c)   "Maliciously" means acting with intent to harm a person or property.
  (d)   (1)   "Structure" means a building or other construction, a vehicle, or watercraft.
    (2)   "Structure" includes a:
      (i)   barn, stable, pier, wharf, and any facility attached to a pier or wharf;
      (ii)   tent, public building, or public bridge; and
      (iii)   railroad car.
  (e)   "Willfully" means acting intentionally, knowingly, and purposely.