usage: decide upon or fix definitely; "fix the variables"; "specify the parameters"
Adjective
1. defined (vs. undefined), definite
usage: clearly characterized or delimited; "lost in a maze of words both defined and undefined"; "each child has clearly defined duties"
2. defined, outlined, distinct (vs. indistinct)
usage: showing clearly the outline or profile or boundary; "hills defined against the evening sky"; "the setting sun showed the outlined figure of a man standing on the hill"