From WordNet (r) 3.0 (2006):
define
v 1: determine the essential quality of [syn: specify,
define, delineate, delimit, delimitate]
2: give a definition for the meaning of a word; "Define
`sadness'"
3: determine the nature of; "What defines a good wine?"
4: show the form or outline of; "The tree was clearly defined by
the light"; "The camera could define the smallest object"
[syn: define, delineate]
5: decide upon or fix definitely; "fix the variables"; "specify
the parameters" [syn: specify, set, determine,
define, fix, limit]