Seleucus I

from The American Heritage® Dictionary of the English Language, 5th Edition.

• Macedonian general under Alexander the Great. He founded and ruled (312–281) the Seleucid dynasty after Alexander's death.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun Macedonian general who accompanied Alexander the Great into Asia; founded a line of kings who reigned in Asia Minor until 65 BC (358-281 BC)