Starch
 

starch
noun1.a complex carbohydrate found chiefly in seeds, fruits, tubers, roots and stem pith of plants, notably in corn, potatoes, wheat, and rice; an important foodstuff and used otherwise especially in adhesives and as fillers and stiffeners for paper and textiles2.a commercial preparation of starch that is used to stiffen textile fabrics in laundering
verb1.stiffen with starch; "starch clothes"