The term 'certain upholstery fabric' can be summarized by the crossword solution 'toile'. Toile is a type of fabric that is typically used for upholstery, curtains, and other home decor items. It is usually made from cotton or linen and is often printed with a repeating pattern. Toile is a French word meaning 'CLOTH' or 'CANVAS'. It is a popular choice for upholstery because it is durable and easy to clean.