Definition of word square in English:

word square

noun

  • A puzzle requiring the discovery of a set of words of equal length written one under another to read the same down as across, e.g., too old ode.

    • ‘The scholar Malcolm Stewart offers a more informed analysis of the origins and usage of the word square.’
    • ‘In other word-wrangling news, the Times of London has published an article on progress towards constructing a special kind of crossword called a word square, in which entries read the same across as down.’
    • ‘Like the immensely popular numbers puzzle, Su Doku, which The Times introduced to Britain, the acrostic word square is based on a grid.’