behemoth
Concise Oxford English Dictionary © 2008 Oxford University Press:
behemoth /bɪˈhiːmɒθ, ˈbiːhɪˌməʊθ/
▶noun a huge or monstrous creature.
– origin ME: from Heb. bĕhēmōṯ, intensive pl. of bĕhēmāh ‘beast’.
'behemoth' also found in these Oxford entries:

