We found one dictionary that defines the word pillow structures:

General (1 matching dictionary)

1. pillow structures: Merriam-Webster

▸ Words similar to pillow structures ▸ Usage examples for pillow structures ▸ Idioms related to pillow structures ▸ Wikipedia articles (New!) ▸ Words that often appear near pillow structures ▸ Rhymes of pillow structures ▸ Invented words related to pillow structures