Main Entry: com·bi·na·tion

Pronunciation: \ˌkäm-bə-ˈnā-shən\

Function: noun

Usage: often attributive

Date: 14th century

1 a : a result or product of combining; especially : an alliance of individuals, corporations, or states united to achieve a social, political, or economic end b : two or more persons working as a team
2 : an ordered sequence: as a : a sequence of letters or numbers chosen in setting a lock; also : the mechanism operating or moved by the sequence b : a rapid sequence of punches in boxing c : any subset of a set considered without regard to order within the subset
3 : any of various one-piece undergarments for the upper and lower parts of the body —usually used in plural
4 : an instrument designed to perform two or more tasks
5 a : the act or process of combining; especially : that of uniting to form a chemical compound b : the quality or state of being combined

— com·bi·na·tion·al \-shnəl, -shə-n^əl\ adjective