A dancing-master, so called from his kit or cittern, a small fiddle, which dancing-masters always carry about with them, to play to their scholars. The kit is likewise the whole of a soldier's necessaries, the contents of his knapsack: and is used also to express the whole of different commodities: as, Here, take the whole kit; i.e. take all.
KIT
Meaning of KIT in English
Slang English vocab. Английский сленговый словарь. 2012