To portray the meaning of something.
I define the length of that cock as 2 feet.
de Matteo 12 septembre 2003
To give a definition for a word, phrase, acronym, or abbrevation.
"I am defined as: "Above all others"
de Ravek 20 mars 2004
to give a meaning to a word.
How would I define an apple?
de Anonymous 9 septembre 2003