A legendary king of the Sumerian city state of Uruk who is supposed to have ruled sometime during the first half of the 3rd millennium BC. He is the hero of the Babylonian epic of Gilgamesh, which recounts his exploits in an ultimately unsuccessful quest for immortality.
Definition of Gilgamesh in US English:
Gilgamesh
proper nounˈɡilɡəˌmeSH
A legendary king of the Sumerian city state of Uruk who is supposed to have ruled sometime during the first half of the 3rd millennium BC. He is the hero of the Babylonian epic of Gilgamesh, which recounts his exploits in an ultimately unsuccessful quest for immortality.