What is the meaning of Ston?

A stone, boulder, or pebble:

1. A millstone or whetstone.
2. A pebble used in a slingshot.

A millstone or whetstone.

A pebble used in a slingshot.

A solid mass resembling a stone, particularly:

1. A piece of hail, a hailstone.
2. A kidney stone or gallstone.
3. A pit; the hard seed of a fruit.
4. A jewel; a gemstone.
5. A testicle.

A piece of hail, a hailstone.

A kidney stone or gallstone.

A pit; the hard seed of a fruit.

A jewel; a gemstone.

A testicle.

Stone as a material (especially in construction)

A stone structure or monument, especially a tomb or tombstone.

A stone (unit of mass)

stone

Middle Polish form of stan (“one of the social layers into which society was divided in European countries from the 13th to the 18th centuries; belonging to such a class determined by origin or profession”)

indefinite plural of sto

stone

stone

Source: wiktionary.org