Noun

1. A set of related parts, tools, clothing or other equipment, collected for some specific purpose.

   I built the entire car from a kit.

   Always carry a good first aid kit.

2. A shortened form of kitten.
3. clothing
4. a full software distribution, as opposed to a patch or upgrade

Verb

1. To assemble or collect something into kits or sets or to give somebody a kit. See also kit out and other derived phrases.

   We need to kit the parts for the assembly by Friday, so that manufacturing can build the tool.