Wiktionary
unsquared
a. not squared
Usage examples of "unsquared".
As if carried by the tide of aliens, he backed up inside the house, through the short hallway and into a room filled with books -- bookshelves with groaning planks, short neat stacks, tall unsquared stacks almost visibly swaying, a room so full of books it seemed like they were really three-dimensional wallpaper or an extreme form of stucco, so many that "living room" no longer seemed an appropriate name, that books were the native life form here, and the man, and the aliens, were guests there only by the books' sufferance.
The log-house was made of unsquared trunks of pine -- roof, walls, and floor.