A definition is a formal passage describing the meaning of a term (a word or phrase). The term to be defined is the (plural definienda). A term may have many subtly different senses or meanings. For each such sense, a definiens (plural definientia) is a cluster of words that defines that specific sense of the term. A chief difficulty in managing definition is the need to use other terms that are already understood or whose definitions are easily obtainable. The use of the term in a simple examp… (More on Definitions)