Scrabble word: KEYSTONE
In which Scrabble dictionary does KEYSTONE exist?
Definitions of KEYSTONE in dictionaries:
- noun - a central cohesive source of support and stability
- noun - the central building block at the top of an arch or vault
- The central wedge-shaped stone of an arch that locks its parts together.
- The central supporting element of a whole.
- noun - the central stone of an arch