We found one dictionary that defines the word square blocks:

General (1 matching dictionary)

1. square blocks: Vocabulary.com

(Note: See square_block as well.)

Definitions from WordNet (square block) ▸ noun:  a block in the (approximate) shape of a cube ▸ Also see square_block ▸ Words similar to square blocks ▸ Usage examples for square blocks ▸ Idioms related to square blocks ▸ Wikipedia articles (New!) ▸ Words that often appear near square blocks ▸ Rhymes of square blocks ▸ Invented words related to square blocks