[L acadmeia, fr. Gk Akademeia, a park and gymnasium located near Athens where Plato taught, fr. Akademos a man who helped Castor and Pollux find their sister Helen when she was first kidnapped] 1 a : a school usu. above the elementary level b : a high school or college in which special skills or subjects are taught c : higher education 2 : a society of learned persons organized to advance art, science, or literature 3 : a body of established opinion widely accepted as authority in a particular field
Achaeanadj
[fr. L Achae(us) Achaeus, the eponymous founder of Achaea, a district in Greece] 1 : Greek n 2 : a Greek
Achatesn
[L Achates, the companion and friend of Aeneid] : a faithful friend or companion
Acheronn
[Gk Acheron, a river in Hades over which Charon ferried the souls of the dead]: the infernal regions: Hell
Achilles' heeln
[fr. L, fr. Gk Achilleus Achilles, the greatest Greek warrior at Troy, slayer of Hector] : a vulnerable point