Definition of Poppy Day in English:

Poppy Day

noun

British
  • another name for Remembrance Sunday
    • ‘Blue Poppy Day, modelled on Remembrance Sunday, is to be held in St Paul's Cathedral on Sunday, October 3.’
    • ‘The local VFW held a Poppy Day today, and while I buy a poppy along with hundreds of other morning commuters, I also always stop to talk to the veterans who are selling them.’

Pronunciation:

Poppy Day

/ˈpɒpi deɪ/