behemoth (bi-HEE-muth, BEE-uh-)
noun: 1. a huge or monstrous creature
2. something large and powerful, as an organization
From Hebrew behemoth, plural of behemah (beast). Earliest documented use: 1382. Behemoth is a huge beast mentioned in the Book of Job 40:15-24.
Usage (from Wordsmith)
“The fears were plenty: that customers would end up paying more for declining service; that the industry behemoth would use its heft to stifle competition.”
Emily Steel, et al; Comcast Is Said to Abandon Bid for Major Rival; The New York Times; Apr 24, 2015.