Real Dictionary

delicatessen
countable noun: A delicatessen is a shop or part of a shop that sells high quality foods such as cheeses and cold meats that have been imported from other countries.

delicatessen in American English
prepared cooked meats, smoked fish, cheeses, salads, relishes, etc., collectively
noun: a store selling foods already prepared or requiring little preparation for serving, as cooked meats, cheese, salads, and the like

delicatessen in British English
noun: a shop selling various foods, esp unusual or imported foods, already cooked or prepared