NAmer a sweet biscuit
NAmer a sweet flat or slightly leavened biscuit
Scot a plain bun
informal a person of a specified type
a tough cookie
in computing, a string of data relating to a particular website, downloaded to a user's hard disk and accessed whenever he or she visits that site
the way the cookie crumbles
chiefly NAmer, informal what inevitably happens
[Dutch koekje, dimin. of koek cake]