waulk (third-person singular simple present waulks, present participle waulking, simple past and past participle waulked)
- (transitive, obsolete, Northern England, Scotland) to make cloth (especially tweed in Scotland) denser and more felt-like by soaking and beating
Old English wealcan (“to roll, toss”).
waulk (third-person singular present waulks, present participle waulkin, past waulkit, past participle waulkit)
- (transitive) to full (cloth)
- (intransitive) (of cloth) to shrink from moisture