The phrase "small rectangle" refers to a shape with four sides, where the length is shorter than the width. It is a geometric figure that looks like a tiny box or a piece of paper.
Sentences with «small rectangle»
With micro sunglasses trending this season, these extremely small rectangle sunglasses are a total must - have. (sunglass.la)
Remove from the oven, and immediately score into smaller rectangles of about 1 / 2 - inch wide x 3 - inches long. (glutenfreeonashoestring.com)