1. a small cake made from stiff, sweet dough rolled and sliced or dropped by spoonfuls on a large, flat pan (cookie sheet) and baked.
2. Informal. dear; sweetheart (a term of address, usually connoting affection).
a. a person: a smart cookie; a tough cookie.
b. an alluring young woman.
4. Computers. a message, or segment of data, containing information about a user, sent by a Web server to a browser and sent back to the server each time the browser requests a Web page.
5. South Atlantic States (chiefly North Carolina). a doughnut.
6. Scot. a bun.
To nibble on cookies
Especially if shaped like leaves.