A passageway for persons, elevated above the surrounding floor or ground level, such as a footwalk along shafting or a walkway between buildings.
Merriam-Webster Online Dictionary
runway (noun)1.
a) a beaten path made by animals
b) a passageway for animals
2.
a paved strip of ground on a landing field for the landing and takeoff of aircraft
3.
a) a narrow platform from a stage into an auditorium
b) a platform along which models walk in a fashion show
4.
- run
5.
the area or path along which a jumper, pole vaulter, or javelin thrower runs
growth period, cultivation timeline, harvest schedule, maturation phase, development cycle