define
     v 1: give a definition for the meaning of a word; "Define
          `sadness'"
     2: determine the essential quality of [syn: {specify}, {delineate},
         {delimit}, {delimitate}]
     3: determine the nature of; "What defines a good wine?"
     4: delineate the form or outline of; "The tree was clearly
        defined by the light"; "The camera could define the
        smallest object" [syn: {delineate}]
Source: WordNet® 2.0