The term 'Cookie Store' refers to a business that specializes in selling cookies. The two crossword solutions for this term are TIN and JAR, both of which are three letters long. A TIN is a metal container with a lid, often used to store food items such as cookies. A JAR is a glass or ceramic container with a lid, also commonly used to store food items. Both tins and jars are popular containers for storing cookies, making them appropriate solutions for the term 'Cookie Store'.