- a political confederation of Achaean and other Greek cities, established in the late 3rd century b.c. and dissolved by the Romans in 146 b.c.
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- a confederation of Achaean cities formed in the early third century bc, which became a political and military force in Greece, directed particularly against Macedonian domination of the Peloponnesus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012