definer

transitive verb defined, defining

1. 1. to determine or set down the boundaries of
   2. to trace the precise outlines of; delineate
2. to determine or state the extent and nature of; describe exactly: define your duties
3. 1. to give the distinguishing characteristics of
   2. to constitute the distinction of; differentiate: reason defines man
4. to state the meaning or meanings of (as a word)

intransitive verb