| A | B |
| apprentice | learner of a trade who lived in the home of the skilled master |
| guild | an association of merchants or artists |
| Romanesque | style of architecture with heavy walls, rounded arches, and small windows |
| free town | city that a king commanded to be built |
| Black Death | name given to the Bubonic plague that swept across Europe around 1350 |
| journeyman | a tradesman who knew how to make a product, working by day in different places |
| Gothic | style of architecture with lighter walls supported by flying buttresses, pointed arches, and large stain-glass windows |
| hovel | small, crude house such as those lived in by serfs |
| cathedral | very large beautiful church built by the people of the Middle Ages |
| master | a craftsman of the highest level and admitted to a guild |
| Troy weights | one of the first system of weights |
| league | organization of the guilds of several cities |