"Squarish shape" means something that is similar to a square, but not a perfect square. It is a shape that has some characteristics of a square, but may have slightly different proportions or angles. Full definition
Note that the handle on the Vie - Long 12705 is a bit small, but this won't be a problem for most users as its squarish shape helps considerably with grip. (businessinsider.com)
Combine this with their squarish shape you may catch your forearms against the outer edge of the kettlebell. (adjustablekettlebellreviews.com)
Like Cynthia above I have wide shoulders and ribcage and a spaghetti strap tank top, or anything with a squarish shape makes me «look like a defensive lineman in drag» too! (alreadypretty.com)