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Definitions

Proper Noun

1. 1
   A Babylonian goddess who personifies the sea, considered the monstrous embodiment of primordial chaos.
2. 2
   A supposed planet once located between Mars and Jupiter.

   "Sitchin also tells us Mummu was the planet Mercury - "One Who Was Born," and that Tiamat was an earlier Earth."

Example

More examples

"The Babylonians thought the Milky Way was the tail of their goddess Tiamat."

Etymology

Learned borrowing from Akkadian 𒀀𒀊𒁀 (tiāmtum, “sea; a deity”), from Proto-Semitic *tihām- (“sea”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.