A number of things that have been fastened or are held together. (Cambridge Dictionary)
A bundle of things is a number of them that are tied together or wrapped in a cloth or bag so that they can be carried or stored. (Collins Dictionary)
You can refer to a tiny baby as a bundle. (Collins Dictionary)
If you describe someone as, for example, a bundle of fun, you are emphasising that they are full of fun. If you describe someone as a bundle of nerves, you are emphasising that they are very nervous. (Collins Dictionary)
A collection of things or quantity of material tied or wrapped up together. (Oxford Dictionaries)
A set of nerve, muscle, or other fibres running in parallel close together. (Oxford Dictionaries)
A set of software or hardware sold together. (Oxford Dictionaries)
A large amount of money. (Oxford Dictionaries)
A group of things fastened together for convenient handling. (Merriam – Webster)
As Ticket Bundles Become a Go.
How Bundled Medical Codes Work.