What do you do when you want to know the meaning of a word, term, or phrase? Most probably, you turn to the nearest and most comprehensive dictionary and get the meaning of the word expanded on a few lines. However, what if you want to have a deeper knowledge of that word and know about its origin? In such a case, you need to perform extensive research on that term and define it. This is how you learn the meaning of that word, term, or phrase; this is what a definition essay is.