A central stone at the summit of an arch locking the whole together

A central stone at the summit of an arch locking the whole together
Crossword Clue
**We have found 1 answer to crossword clue "A central stone at the summit of an arch locking the whole together"**
**The Best Answer: 10/10**
Answer	Crossword Clue
keystones	A central stone at the summit of an arch, locking the whole together

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.

A central stone at the summit of an arch locking the whole togetherCrossword Clue