Search Result for "apprehender": 
Wordnet 3.0

NOUN (2)

1. a person who knows or apprehends;
[syn: knower, apprehender]

2. a person who seizes or arrests (especially a person who seizes or arrests in the name of justice); 



The Collaborative International Dictionary of English v.0.48:

Apprehender \Ap`pre*hend"er\, n.
   One who apprehends.
   [1913 Webster]


WordNet (r) 3.0 (2006):

apprehender
    n 1: a person who knows or apprehends [syn: knower,
         apprehender]
    2: a person who seizes or arrests (especially a person who
       seizes or arrests in the name of justice)