Definition of Innocents' Day in English:

Innocents' Day

(also Holy Innocents' Day)

noun

  • A Christian festival commemorating the massacre of the Innocents, 28 December.

    • ‘We took part in the Holy Innocents Day Service at St Martin-in-the-Fields, remembering child victims of war.’
    • ‘I ask you to reflect on all those involved by their actions, or by their inaction, in the slaughter recounted in the story of Holy Innocents Day.’