1) Greek deity 
Theomachy in Greek (i; θεοί = gods + μάχη = battle) means battle of the gods. It is a reference to battles fought against or among the Greek Olympians. ==The Titanomachy== The Titanomachy, or War of the Titans, may be regarded as a Theomachy in which the Olympian Gods fought against their predecessor generation, the Titans. The war lasted ...
war amongst or against the gods
• (n.) A battle or strife among the gods. • (n.) A fighting against the gods, as the battle of the gaints with the gods. • (n.) Opposition to God or the divine will.
The·om'a·chy noun [ Greek ...; ... a god + ... a battle.] 1. A fighting against the gods, as the battle of the gaints with the gods. 2. A battle or strife among the gods. Gladstone. 3. Opposition to God or the divine will. Bacon. 
theomachy 1. A striving or warring against God; opposition to the will of God. 2. A battle or strife among the gods; especially, in reference to that narrated in Homer`s Iliad.
(Gr. theoi, machein, battle against the gods), a term implying opposition to the divine will. -- K.F.L.