Glossary of Terms Glossary Terms for the Letter JView the Entire GlossaryA | B | C | D | E | F | G | H | I | J | K | L | M | P | Q | R | S | T | U | V | WJambThe vertical stone running upJobA contracted Bid/Estimate thatJob NumberNumber assigned to a specificJointGap between masonry units fillJointing SchemeThe jointing pattern shown on