To express the essential nature of something. (verb)
To state the meaning of a word or word group or a sign or symbol. (verb)
To describe, explain, or make definite and clear. (verb)
To demark sharply the outlines or limits of an area or concept. (verb)
A kind of macro in source code that replaces one text string with another wherever it occurs. (noun)
Examples of word define
We can therefore define the constant BRATE as: #define BRATE
I asked Democrats about that, and they said well, the way that we interpret the term define, is that there's going to be an awful lot of negative advertising.
The next term that we must accurately define is "North American"; all too often we think of North Americans as those from the United States and Canada.
But the thing that really bugs me about Cheney's quote (again, he said, regarding torture, that: "The fact of the matter is the Justice Department reviewed all those allegations several years ago.") is that in using the Justice Department as justification, he brings to mind the old story used to define the Yiddish word chutzpah: Someone who kills his parents and then throws himself on the mercy of the court as an orphan.
The hardest of these elements to define is the last one: what I like.