A stone or brick running through a wall to bind or strengthen it.
束石，系石
Example sentencesExamples
On the left the original menhir and on the right is the small 19th century bondstone.
Those blocks with a slight flow due to chipping or cracking are cut to obtain bondstones, curbs or paving stones.
This perpenstone, or bondstone, is the same as the Parping Ashlar of Glocestershire - a stone which passes through a wall and shows a fair face on either side.
A bondstone is a stone used to anchor or bond a stone veneer to its backing material.
The Arms of the Provinces and Sees of England are carved on bondstones which bind the flint facing to the wall-core behind.