I. ˈpyu̇(ə)r noun
( -s )
Etymology: alteration of pure (IV)
: a mixture (as of dogs' dung in water) formerly used by tanners for bating hides and skins after liming
II. transitive verb
( -ed/-ing/-s )
Etymology: alteration of pure (III)
: to bate (hides) in a solution of fermented dog dung