expounder

from WordNet (r) 3.0 (2006)
expounder
    n 1: a person who explains [syn: {expositor}, {expounder}]
from The Collaborative International Dictionary of English v.0.48
Expounder \Ex*pound"er\ (-[~e]r), n.
   One who expounds or explains; an interpreter.
   [1913 Webster]
antiflux / dictionary / expounder
[email protected]