Wordnet 3.0
NOUN (1)
1.
a local unit of the Ku Klux Klan;
The Collaborative International Dictionary of English v.0.48:
klavern \klavern\ n.
A local chapter of the Ku Klux Klan.
[PJC]
WordNet (r) 3.0 (2006):
klavern
n 1: a local unit of the Ku Klux Klan