4 Pa. Stat. § 502
The following words and phrases when used in this act shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Amusement park." A tract or area used principally as a location for amusement structures or rides. The term includes only permanent amusement and water parks.
"Amusement ride." Any device, including a water-based device, that carries or conveys passengers along, around or over a fixed or restricted route or course or within a defined area for the purpose of giving its passengers amusement, pleasure, thrills or excitement.
"Amusement ride operator." Any person, firm or corporation that is engaged in operating for the public an amusement structure or ride at a permanent amusement or water park.
"Rider." A person 14 years of age or older utilizing an amusement ride. The term includes any person who is an invitee, whether or not the person pays consideration.
4 P.S. § 502