Be ‧ he ‧ moth /bəˈhiːmɒθ, bɪˈhiːmɒθ $ -mɑːθ/ BrE AmE noun
an extremely large, ↑ mythical creature mentioned in the Bible, whose name is now used to describe something very big:
five warships, including two 64,000-ton behemoths
⇨ ↑ leviathan
Be ‧ he ‧ moth /bəˈhiːmɒθ, bɪˈhiːmɒθ $ -mɑːθ/ BrE AmE noun
an extremely large, ↑ mythical creature mentioned in the Bible, whose name is now used to describe something very big:
five warships, including two 64,000-ton behemoths
⇨ ↑ leviathan
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012