As used in sections seventy-one H to seventy-one S, inclusive, the following words shall, unless the context otherwise requires, have the following meanings:
"Recreational tramway", a device used to transport passengers uphill on skis, or in cars on tracks or suspended in the air, by the use of steel cables, chains or belts or by ropes, and usually supported by trestles or towers with one or more spans. The term recreational tramway shall include the following:
"Operator", a person, including the commonwealth or any political subdivision thereof, who owns or controls the operation of a recreational tramway.
"Board", the recreational tramway board.
"Skier", any person utilizing the ski area under control of a ski area operator for the purpose of skiing, whether or not that person is a passenger on a recreational tramway, including riders during a non-skiing season.
"Ski area", all of the slopes and trails under the control of the ski area operator, including cross-country ski areas, slopes and trails, and any recreational tramway in operation on any such slopes or trails administered or operated as a single enterprise but shall not include base lodges, motor vehicle parking lots and other portions of ski areas used by skiers when not actually engaged in the sport of skiing.
"Ski area operator", the owner or operator of a ski area, including an agency of the commonwealth or a political subdivision thereof, or the employees, agents, officers or delegated representatives of such owner or operator, including the owner or operator of a cross-country ski area, slope or trail, and of any recreational tramway in operation on any such slope or trail administered or operated as a single enterprise.
"Ski slope or trail", an area designed by the person or organization having operational responsibility for the ski area as herein defined, including a cross-country ski area, for use by the public in furtherance of the sport of skiing, meaning such designation as is set forth on a trail map or as otherwise designated by a sign indicating to the skiing public the intent that the area be used by skiers for purpose of participating in the sport.
Mass. Gen. Laws ch. 143, § 71I