cook·ie also cook·y   (kŏŏk'ē)    n.   pl. cook·ies A small, usually flat and crisp cake made from sweetened dough. Slang A person, usually of a specified kind: a lawyer who was a tough cookie. Computer Science A collection of information, usually including a username and the current date and time, stored on the local computer of a person using the World Wide Web, used chiefly by websites to identify users who have previously registered or visited the site. [Dutch koekje, diminutive of koek, cake, from Middle Dutch koeke.]

cookie

n. A handle, transaction ID, or other token of agreement between cooperating programs. "I give him a packet, he gives me back a cookie." The claim check you get from a dry-cleaning shop is a perfect mundane example of a cookie; the only thing it's useful for is to relate a later transaction to this one (so you get the same clothes back). Compare magic cookie; see also fortune cookie. Now mainstream in the specific sense of web-browser cookies.

cookie 

cookie   (kk'ē)  Pronunciation Key  A collection of information, usually including a username and the current date and time, stored on the local computer of a person using the World Wide Web, used chiefly by websites to identify users who have previously registered or visited the site. Cookies are used to relate one computer transaction to a later one.

cookie
1. HTTP cookie.
2. A handle, transaction ID, or other token of agreement between cooperating programs. "I give him a packet, he gives me back a cookie".
The ticket you get from a dry-cleaning shop is a perfect mundane example of a cookie; the only thing it's useful for is to relate a later transaction to this one (so you get the same clothes back).
Compare magic cookie; see also fortune cookie.
3. A cracker term for the password list on a multi-user computer.
4. An adjective describing a computer that just became toast.
(1997-04-14)

cookie

see hand in the till (cookie jar); that's how the ball bounces (cookie crumbles); toss one's cookies.