The term 'cheerio-shaped' is used to describe something that is shaped like the popular breakfast cereal Cheerios. The crossword solution for this term is 'toric, ' which is a type of geometry that describes a surface of revolution generated by a circle revolving around an axis that does not intersect the circle. Toric shapes are often used in optics and engineering, and are also known as toroidal or axisymmetric shapes.