The Collaborative International Dictionary of English v.0.48:
Argos \Argos\ n. 1. an ancient city in SE Greece; dominated the Peloponnese in the 7th century BC. [WordNet 1.5]WordNet (r) 3.0 (2006):
Argos n 1: an ancient city in southeastern Greece; dominated the Peloponnese in the 7th century BC