Stepstone

Stepstone, originally named Productivity Products International (PPI), was a software company founded in 1983 by Brad Cox and Tom Love, best known for releasing the original version of the Objective-C programming language. PPI/Stepstone enjoyed modest success not only supplying semi-`object oriented` software, but also among those who wanted an .....
Found on http://en.wikipedia.org/wiki/Stepstone

Stepstone

• (n.) A stone laid before a door as a stair to rise on in entering the house.
Found on http://thinkexist.com/dictionary/meaning/stepstone/

Stepstone

Step'stone` noun A stone laid before a door as a stair to rise on in entering the house.
Found on http://www.encyclo.co.uk/webster/S/193
No exact match found