noun

1. ☆ a small, sweet cake, variously shaped, filled, etc., but usually flat and either crisp or chewy
2. Scot. a bun
3. ☆ Slang
   1. a person, esp. one qualified as tough, smart, shrewd, etc.
   2. an attractive young woman
4. ☆ Comput. a small file placed automatically on a user's hard disk, as by a website or online service, for the purpose of storing information about and recognizing the user

Etymology: prob. Du koekje, dim. of koek, a cake; akin to cake