Definify.com
Webster 1913 Edition
Unclog
Un-clog′
,Verb.
T.
[1st pref.
un-
+ clog
.] To disencumber of a clog, or of difficulties and obstructions; to free from encumbrances; to set at liberty.
Shak.
Webster 1828 Edition
Unclog
UNCLOG'
,Verb.
T.