| Term | Definition |
| Ulysses | king of Ithaca, hero of Trojan War |
| Zeus | god of the sky, ruler of gods and mortals |
| Hera | wife of Zeus, queen of gods, goddess of women and marriage |
| Poseidon | god of the sea |
| Sirens | monsters who singing lures sailors to destruction on the rocks |
| Circe | sorceress who turns men into animals |
| Polyphemus | cyclops who Ulysses blinds |
| Hades | god of the lower world, the home of the dead |
| Charybdis | monster who swallows the sea, causing a whirlpood |
| Aeolus | god of winds |
| Elpenor | sailor accidentally killed on the voyage to Tartarus |
| Morphus | god of dreams |
| Helios | god of sun |
| Nausicca | princess of Phaeacia who finds Ulysses and helps him |
| Alcinous | king of Phaeachia, father of Nausicaa |
| Menelaus | king of Sparta, husband of Helen |
| Paris | prince of Troy whose elopement with Helen caused Trojan War |
| Eurymachus | leader of the suitors for Penelope |
| Hermes | god of travel, science, invention, and luck; messenger of the gods |
| Sparta | city in Greece, home of Helen and Menelaus |
| Troy | city in northwest Turkey, site of Trojan War |
| Telemachus | prince of Ithaca, son of Ulysses and Penelope |
| Eris | goddess of strife and discord |
| Hector | Paris's elder brother, leader of the Trojan Worriers |
| Thrinacia | island now called Sicily, home of Hyperion's golden cattle |
| Helen | wife of Menelaus, whose elopement with Paris caused Trojan War |
| Ino | lesser sea goddess who rescues Ulysses |
| Ithica | home of Ulysses |
| Scylla | monster who takes sailors off of ships and eats them, has all the arms and mouths |