Eos n 1: (Greek mythology) the winged goddess of the dawn in ancient mythology; daughter of Hyperion; identified with Roman Aurora
Eos \E"os\, n. [L., fr. Gr. 'Hw`s.] (Gr. Myth.) Aurora, the goddess of morn. [1913 Webster]
EOS Electrical OverStress
EOS Extended Operating System (OS)