| A | B |
| Vault | Curved ceiling |
| Virgil | Roman writer, wrote the epic poem Aeneid |
| Horace | Famous Roman writer and poet that wrote satires and odes |
| Satires | Works that poked fun at human weaknesses |
| Odes | Poems that express strong emotions about life |
| Galen | Greek doctor that brought many medical ideas to Rome |
| Anatomy | The study of body structure |
| Ptolemy | Scientist of Roman Empire that studied the sky and carefully mapped over 1,000 different stars |
| Forum | Open space that served as a marketplace and public square |
| Gladiators | People who fought animals and each other, most were enslaved people, criminals, or poor people |
| Paterfamilias | "Father of the family", had complete control over family members |
| Spartacus | Gladiator that led a slave revolt in Italy in 73 B.C. |
| Plague | Disease that spreads widely |
| Inflation | Rapidly increasing prices |
| Reforms | Political changes to make things better |
| Constantinople | City in Rome, now known as Istanbul, where Constantine built a forum, an amphitheatre, and many palaces |
| Alaric | Visigoth leader that along with his soldiers captured Rome itself in A.D. 410 |
| Odoacer | Germanic general that took control and overthrew the western emperor, Romulus Augustulus, in A.D. 476 |
| Black Sea | Waterway in Constantinople that harbored safe shelter for fishing boats, trade ships, and warships |
| Aegean Sea | Waterway in Constantinople that harbored safe shelter for fishing boats, trade ships, and warships |
| Justinian | Became emperor of the Byzantine Empire in A.D. 527 and ruled until A.D. 565 |
| Theodora | Justinian's wife who helped him run his empire. A former actress |
| Belisarius | General ordered by Justinian to strengthen and lead the Byzantine army |
| Mosaics | Pictures made from many bits of colored glass or stone |
| Saints | Chrisitan holy people |
| Regent | A person who stands in for a ruler who is too young or too ill to govern |