| A | B |
| armada | fleet of warships |
| cathedral | grand and beautiful church |
| convent | religious community of nuns |
| Crusade | first journey to gain control of Jerusalem |
| deforestation | process of clearing forest |
| feudalism | way of organizing society based on land and military service |
| fief | manor given to a vasssl by a lord |
| guild | group of craftworkers |
| humanism | concern with human intrests and values |
| indulgence | pardon for sins |
| lord | noble who owned a manor |
| Magna Carta | English charter guaranteeing rights |
| manor | large estate owned by a noble |
| Middle Ages | period between ancient Roman times and the 1400's |
| monastery | religioius community of monks |
| navigable | deep enough for boat travel |
| nun | woman who devotes her life to religion |
| patron | person who supports the arts |
| plague | terrible disease |
| Protestantism | branch of Christianity that broke away from Roman Catholicism |
| reform | improve by making changes |
| Reformation | movement that brought reform to the Church |
| Renaissance | historical period of great creativity |
| saint | holy person |
| serf | person who lived and worked on a manor |
| temperate | mild climate |
| vassal | person who served a lord |