Meaning ofsteppingstonein English

Noun

1. a stone for crossing water
   The hikers used a steppingstone to cross the shallow stream.
2. a stone to step on (in a marsh, etc.); aid balance
   The company served as a steppingstone for her to gain experience.
3. a means to progress (to another level, position)
   The internship was a steppingstone to a full-time job at the company.