Webster’s Revised Unabridged Dictionary · 1913
Backjoint
Back′joint′ (·joint′), n. [Back, a. or adv. + joint.] (Arch.) A rebate or chase in masonry left to receive a permanent slab or other filling.
Webster’s Revised Unabridged Dictionary · 1913
Back′joint′ (·joint′), n. [Back, a. or adv. + joint.] (Arch.) A rebate or chase in masonry left to receive a permanent slab or other filling.