What does "kit" mean?

Additional senses

1. 2.A wooden tub or pail, smaller at the top than at the bottom; as, a kit of butter, or of mackerel. Wright.
2. 3.straw or rush basket for fish; also, any kind of basket. [Prov. Eng.] Halliwell.
3. 4.A box for working implements; hence, a working outfit, as of a workman, a soldier, and the like.
4. 5.A group of separate parts, things, or individuals; -- used with whole, and generally contemptuously; as, the whole kit of them.