Cornerstone Meaning in Bengali

What is the meaning of word Cornerstone in Bengali/Bangla ?

Defenition of word Cornerstone

• a stone that forms the base of a corner of a building, joining two walls.

Example

a national minimum wage remained the cornerstone of policy

Other Meaning of Cornerstone

• NOUN

  ভিত্তি basis base foundation ground grounding cornerstone
  ভিত্তি-প্রস্তর cornerstone