Md. Code, Transportation § 11–134.4

(a) “Motorized minibike” means a motor vehicle that:

(1) Has two or three wheels; and

(2) Is not subject to registration under Title 13 of this article.

(b) “Motorized minibike” does not include:

(1) A motor scooter;

(2) A moped;

(3) A farm tractor;

(4) An electric bicycle; or

(5) An electric low speed scooter.