Maryland Criminal Law Section 10-123
§ 10-123.
  (a)   In this part the following words have the meanings indicated.
  (b)   "Alcoholic beverage" has the meaning stated in § 21-903 of the Transportation Article.
  (c)   "Bus" has the meaning stated in § 11-105 of the Transportation Article.
  (d)   "Highway" has the meaning stated in § 11-127 of the Transportation Article.
  (e)   "Limousine" has the meaning stated in § 11-129.1 of the Transportation Article.
  (f)   "Motor home" has the meaning stated in § 11-134.3 of the Transportation Article.
  (g)   "Motor vehicle" has the meaning stated in § 11-135 of the Transportation Article.
  (h)   "Moving violation" has the meaning stated in § 11-136.1 of the Transportation Article.
  (i)   "Open container" means a bottle, can, or other receptacle:
    (1)   that is open;
    (2)   that has a broken seal; or
    (3)   from which the contents are partially removed.
  (j)   "Passenger area" has the meaning stated in § 21-903 of the Transportation Article.
  (k)   "Taxicab" has the meaning stated in § 11-165 of the Transportation Article.