mon ‧ o ‧ lith /ˈmɒnəlɪθ $ ˈmɑː-/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Language: French ; Origin: monolithe , from Latin , from Greek , from mono- ( ⇨ ↑ mono- ) + lithos 'stone' ]
1 . a large powerful organization that cannot change quickly and does not consider the ideas or feelings of the people it affects:
It is misleading to see the legal system as a monolith.
2 . a large tall block of stone, especially one that was put in place in ancient times, possibly for religious reasons