ALL meanings of commonwealth day
com·mon·wealth day
C c - noun commonwealth day the anniversary of Queen Victoria's birth, May 24, celebrated (now on the second Monday in March) as a holiday in many parts of the Commonwealth 3
- noun commonwealth day a holiday in honor of the Commonwealth (sense 2), celebrated on the second Monday of March 3
- noun commonwealth day a holiday observed in some countries of the Commonwealth of Nations, originally on May 24, the anniversary of Queen Victoria's birth, but now on varying dates. 1