The term "learning organization" was coined by Peter Senge in his book: The Fifth Discipline: The Art and Practice of the Learning Organization
Let's see what it means.
You know what learning
And you know what an organization
An organization is an administrative and functional structure (such as a business) and the personnel of such a structure. (Merriam-Webster Dictionary)
Now, the question is, what is a learning organization
Learning Organization: A learning organization is an organization that facilitates and encourages the learning of its members, and as a consequence develops a capacity to innovate and grow in a sustainable manner.
The 5 elements (or disciplines) of a learning organization