bondstone

[bond-stohn]

noun

1. a stone, as a perpend, for bonding bond facing masonry to a masonry backing.

bondstone

/ ˈbɒndˌstəʊn /

noun

1. Also called: bonder. a long stone or brick laid in a wall as a header

Word History and Origins

Origin of bondstone¹

First recorded in 1835–45; bond ¹ + stone