/kook"ee/ , n.
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).
3. Slang.
a. a person: a smart cookie; a tough cookie.
b. an alluring young woman.
4. South Atlantic U.S. ( chiefly North Carolina ). a doughnut.
5. Scot. a bun.
6. toss or spill one's cookies , Slang. to vomit.
7. 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.
Also, cooky .
[ 1695-1705, koekie, dial. var. of koekje, equiv. to koek CAKE + - je dim. suffix ]