the GNU version of the Collaborative International Dictionary of English
n. One who apprehends.
The Century Dictionary and Cyclopedia
n. One who seizes or arrests.
n. One who discerns or recognizes mentally.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a person who knows or apprehends
n. a person who seizes or arrests (especially a person who seizes or arrests in the name of justice)
Word Usage
"We hear it in the words of the old-lady Indian seer Florita Almada, possessor of common-sense recipes for high blood pressure, and apprehender of danger."