ušumgallu  [UŠUMGAL : ]  (šumgallu , šungallu , aš(šu)nugallu ; stems from Sumerian , compare with the "serpent" that tempted Eve in Eden in Genesis and the dragon vanquished by George)

1) a great dragon , a great snake , a great serpent , the image of a dragon [šungallē ša Aššūr ina muḫḫi izzazzūni] : the dragon snake on which Asshur stands 2) the monarch , the sole ruler , the sovereign (epithet of deities and kings)

See also : ušumgallatu, mušḫuššu, šungallu, ḫulmiṭṭu, ṣarṣaru (1)