Definition
A definition is a meaning that uses a word or a phrase to mark off the conceptual limits of what a thing is.
A definition of a name (definitio nominis) sets a clear value for a word or phrase so that the parties involved will definitely know what that word/phrase means when they talk about the word/phrase. It is a common establishment not only in language, but also in logic and mathematics. For example, I call soul that which is the principle of thought within us.
A definition of a thing (definitio rei) is the maintenance that other ideas are contained in a certain term, assuming common usage, referring to a thing. For example, Man is a rational animal.Cite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title
A dictionary definition is an explanation of that which a word signifies, according to the word's common usage or its etymology.Cite error: Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title