Backjoint n. : A rebate or chase in masonry left to receive a permanent slab or other filling.

Example:


Taxonomy
backjoint, civil engineering, masonry, inner side, chimneypiece, Unanswered questions, Sci-Tech, McGraw-Hill Dictionary of Scientific and Technical Terms, WikiAnswers, Search, slip, Video, Company, Downloads, Answers Corporation, Reference library, Science, Animal Life.

Defination from the web:
backjoint ( ′bak′jöint ) ( civil engineering ) In masonry, a rabbet such as that made on the inner side of a chimneypiece to receive a ... backjoint. Post a question - any question - to the WikiAnswers community: Copyrights: Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific ...