#argonaut
- Absyrtus — In Greek mythology, a Colchian prince, son of King Aeëtes and brother of Medea. He is chiefly known for his tragic role in the myth of the Argonauts; during Medea's flight with Jason on the ship Argo, she killed and dismembered Absyrtus, scattering his remains in the sea to delay her pursuing father, who stopped to gather them for burial.
- Acastus — A Greek mythological hero and king of Iolcus, son of Pelias and Anaxibia. He participated in the famous Argonauts' expedition in search of the Golden Fleece (going against his father's will) and took part in the Calydonian Boar hunt. Following his father's murder instigated by Medea, Acast ascended the throne, expelled Jason and Medea, and organized grand funeral games, a legendary episode widely celebrated in ancient poetry and art.
- Acastus — The Latinate and international variant of the name of the Greek mythological hero Acast, son of King Pelias of Iolcus. As a legendary figure, Acastus is celebrated for his participation in the Argonauts' expedition for the Golden Fleece and the Calydonian Boar hunt, later ascending the throne and becoming entangled in dramatic conflicts with Peleus and Jason as recorded by Ovid and Apollonius of Rhodes.
- Admetus — The traditional Romanian form for the name of Admetus, the legendary king of Pherae in Thessaly, famous in Greek mythology for being served for a year by the god Apollo and for the devotion of his wife, Alcestis, who agreed to die in his place to save his life.
- Aeetes — Mythological king of Colchis, son of the sun god Helios and the nymph Perseis, brother of the sorceress Circe and father of Medea. He is celebrated in Greek legends as the original owner of the Golden Fleece, which he guarded with a monstrous dragon that never slept, becoming the primary antagonist of Jason and the invading Argonauts.
- Aesonides — A Latin patronymic form utilized in ancient epic poems to designate a 'son of Aeson', being the structural literary title attributed exclusively to the hero Jason, leader of the Argonauts. This appellation emphasizes his legitimate Thessalian royal lineage and is frequently used by poets like Apollonius of Rhodes or Valerius Flaccus for stylistic textual variation.
- Aethalides — A character in Greek mythology, son of the god Hermes and Eupolemeia, the legendary herald of the Argonauts during the quest for the Golden Fleece. He was endowed by his father with an absolutely infallible and eternal structural memory, which did not fade even after death or after crossing the river Lethe, allowing his soul to remember all successive reincarnations undergone during its cosmic migration.
- Alcimeda — A character in Greek mythology, known as the daughter of Phylacus (or Clymene) and wife of Aeson, making her the mother of the legendary hero Jason, leader of the Argonauts. In Hellenic epics and classical legends, Alcimeda represents the tragic figure of the mother suffering under the tyranny of Pelias, her courage and lineage being celebrated in Apollonius Rhodius' Argonautica.
- Alcimeda — An onomastic variant of the mythological name Alcimeda (Alkimede), representing the wife of Aeson and mother of the legendary hero Jason, leader of the Argonauts' expedition. It frequently appears under this form in modern Romanian translations of classical Hellenic texts (such as the Argonautica epic), symbolizing maternal devotion and suffering in the face of destiny.
- Ampycides — An ancient Greek patronymic name attributed to the renowned seer and prophet Mopsus, structurally indicating his lineage as the son of Ampycus (Ampyx). This solemn appellation is utilized in classical epics and Latin mythological poetry (such as Ovid's Metamorphoses) to identify the hero during the Argonauts' expedition or the Calydonian Boar hunt.
- Amycus — The original Latin form for the proper name Amicos; a character in Greek mythology, king of the Bebryces and son of Poseidon, famous for his cruelty and the boxing match lost to the Argonaut Pollux. In astronomy, the name designates a centaur asteroid (55576 Amycus) orbiting in the outer solar system, named in honor of this mythological figure.
- Anafi — An historical geographical name or rare toponymic variant for the Greek island Anafi (located in the Cyclades archipelago in the Aegean Sea). In a structural mythological and historical sense, the name is closely linked to the legend of the Argonauts, who discovered the island as a refuge miraculously emerged by the command of the god Apollo to save them from a violent storm, with the term used in ancient literature to designate this isolated and rocky space.
- Ancaeus — A name borne by two heroes in Greek mythology who participated in the Argonauts' expedition: Ancaeus of Arcadia (son of Lycurgus, killed by the Calydonian boar) and Ancaeus of Samos (son of Poseidon, helmsman of the ship Argo after Tiphys' death). In the structure of the myth, both represent tragic figures of ancient courage, associated with immense physical strength or exceptional nautical skill.
- Apollonios — The name of several scholars, scientists, and writers from Ancient Greece and the Hellenistic period, the most famous being Apollonius of Perga (3rd century BC), a geometric genius who revolutionized the study of conic sections, Apollonius of Rhodes, an epic poet author of the 'Argonautica', and Apollonius of Tyana, a Neopythagorean philosopher. These figures represent structural pillars of scientific and literary evolution in the classical Mediterranean basin.
- Apsyrtus — A proper name of Greek origin referring to Absyrtos (Apsyrtus), a character in Greek mythology, son of King Aeëtes of Colchis and brother of Medea, killed during the Argonauts' expedition; used learnedly in pre-modern Romanian literary texts or in ancient history and mythological cartography studies.
- Argo — 1. In Greek mythology, the name of the legendary ship built by the Argonauts under Jason's guidance to sail to Colchis in search of the Golden Fleece. 2. In astronomy, the name of a former massive constellation in the Southern Hemisphere (Argo Navis), later divided by astronomers into three distinct constellations: Carina (The Keel), Puppis (The Poop Deck), and Vela (The Sails).
- Argonaut — 1. In Greek mythology, any of the heroes or demigods who embarked on the ship Argo, under Jason's command, to participate in the glorious expedition to Colchis to recover the Golden Fleece. 2. In zoology, a genus of marine cephalopod mollusks within the octopod order, characterized by extreme sexual dimorphism; the female secretes a fine, paper-thin calcareous shell used exclusively as a cradle to protect eggs.
- Argonautae — The original Latin plural form for the Argonauts; a designation used in Roman classical texts, ancient poetry (such as the works of Valerius Flaccus), and older scholarly or taxonomic treatises to denote the collective group of mythological sailors who accompanied Jason in his quest for the Golden Fleece.
- Argonautic — Belonging or relating to the Argonauts or to their legendary expedition on the ship Argo, led by Jason to retrieve the Golden Fleece. In a literary and structural sense, the term describes epic writings, mythological poems (such as the epic 'Argonautica' by Apollonius of Rhodes), or daring maritime voyages marked by an adventurous spirit and structural heroism.