An AIRSTRIP is an area of land that has been cleared and prepared for aircraft to take off and land. It is typically a long, narrow STRIP of land with a hard surface. A STRIP is a long, narrow piece of land, usually with a hard surface. A PIER is a structure built out into the water from the shoreline, typically used as a landing place for boats. A helipad is a landing area specifically designed for helicopters, usually with a hard surface. All of these terms refer to places to land, either for aircraft or boats.