California, that was the site of a major confrontation between student protestors and police in May 1969
Phlegethon the River of Fire in the Underworld
Pluto the Roman god of death and ruler of the Underworld. Greek form: Hades
Pomerian Line the border of Rome
Pompeii a Roman city that was destroyed in 79 CE when the volcano Mount Vesuvius erupted and buried it under ash
Poseidon the Greek god of the sea; son of the Titans Kronos and Rhea, and the brother of Zeus and Hades. Roman form: Neptune
praetor an elected Roman magistrate and commander of the army
praetorium the living quarters for the praetors at Camp Jupiter
princeps Latin for first citizen or first in line; the early Roman emperors adopted this title for themselves, and it came to mean prince of Rome
principia the military headquarters for the praetors at Camp Jupiter
probatio the rank assigned to new members of the legion at Camp Jupiter
Ptolemaic relating to the Greco-Egyptian kings who ruled Egypt from 323 to 30 BCE
Python a monstrous dragon that Gaea appointed to guard the Oracle at Delphi
River Styx the river that forms the boundary between Earth and the Underworld
Romulus a demigod son of Mars, twin brother of Remus; first king of Rome, who founded the city in 753 BCE
Saturnalia an ancient Roman festival held in December in honor of the god Saturn, the Roman equivalent of Kronos
satyr a Greek forest god, part goat and part man
Selene the moon Titan. Roman form: Luna
Senate a council of ten representatives elected from the legion at Camp Jupiter
Senate House the building at Camp Jupiter where the senators meet to discuss such issues as whether a quest should be granted or whether war should be declared
Sibyl a prophetess
Sibylline Books the Cumaean Sibyl’s prophecies—prescriptions for warding off disasters—dating back to ancient Roman times, collected in nine volumes, six of which were destroyed by the Sibyl herself. The three remaining books were sold to the last Roman king, Tarquin, and then lost over time. Ella the harpy read a copy of the three Books and is trying to reconstruct all the prophecies with her photographic memory and the help of Tyson the Cyclops.
sica (siccae, pl.) a short, curved sword
Somme a battle of World War I fought by the British and French against the Germans by the River Somme in France
Somnus the Roman god of sleep
spatha a Roman cavalry sword
spolia opima one-on-one combat between two opposing leaders in a war, the ultimate display of courage for a Roman; literally, spoils of war
strix (strixes, pl.) a large blood-drinking owl-like bird of ill omen
Stymphalian birds monstrous man-eating birds with sharp Celestial bronze beaks that can tear through flesh. They can also shoot their feathers at prey like arrows.
Styx a powerful water nymph; the eldest daughter of the sea Titan, Oceanus; goddess of the Underworld’s most important river; goddess of hatred; the River Styx is named after her
sub rosa Latin for under the rose, meaning sworn to secrecy
Subura a crowded lower-class area of ancient Rome
Summer of Love a gathering of more than 100,000 hippies or “flower children” in the San Francisco neighborhood of Haight-Ashbury during the summer of 1967 to enjoy art, music, and spiritual practices while also protesting the government and materialistic values
Tarquin Lucius Tarquinius Superbus was the seventh and final king of Rome, reigning from 534 to 509 BCE, when, after a popular uprising, the Roman Republic was established
Temple Hill the site just outside the city limits of New Rome where the temples to all the gods are located
Terminus the Roman god of boundaries
Terpsichore the Greek goddess of dance; one of the Nine Muses
terza rima a form of verse consisting of three-line stanzas in which the first and third lines rhyme and the middle line rhymes with the first and third lines of following stanza
testudo a tortoise battle formation in which legionnaires put their shields together to form a barrier
Teumessian Fox a gigantic fox sent by the Olympians to prey upon the children of Thebes; it is destined never to be caught
Three Graces the three charities: Beauty, Mirth, and Elegance; daughters of Zeus
Tiber River the third-longest river in Italy; Rome was founded on its banks; in ancient Rome, criminals were thrown into the river
Titans a race of powerful Greek deities, descendants of Gaea and Ouranos, who ruled during the Golden Age and were overthrown by a race of younger gods, the Olympians
trireme a Greek warship, having three tiers of oars on each side
triumvirate a political alliance formed by three parties
Trojan War According to legend, the Trojan War was waged against the city of Troy by the Achaeans (Greeks) after Paris of Troy took Helen from her husband, Menelaus, king of Sparta
Troy a pre-Roman city situated in modern-day Turkey; site of the Trojan War
Underworld the kingdom of the dead, where souls go for eternity; ruled by Hades
vappae Latin for spoiled wines
ventus (venti, pl.) storm spirits
Venus the Roman goddess of love and beauty. Greek form: Aphrodite
Via Praetoria the main road into Camp Jupiter that runs from the barracks to the headquarters
Vnicornes Imperant Latin for Unicorns Rule
vrykolakas (vrykolakai, pl.) Greek word for zombie
Vulcan the Roman god of fire, including volcanic, and of crafts and blacksmithing. Greek form: Hephaestus
Waystation a place of refuge for demigods, peaceful monsters, and Hunters of Artemis located above Union Station in Indianapolis, Indiana
Zeus the Greek god of the sky and the king of the gods. Roman form: Jupiter