noun
Definition: A type of carbohydrate that is found in many plants, especially in seeds and roots, and is often used in cooking and food preparation.
Example: Potatoes are a good source of starch, which can be used to thicken sauces.
transitive verb
Definition: To make something stiff or firm by applying a substance that contains starch.
Example: She decided to starch her shirts to keep them looking crisp and neat.