undercloak
English edit
Etymology edit
Noun edit
undercloak (plural undercloaks)
- (construction) A fixed underlayer of tile or fibre cement on a roof, to support the mortar above.
Verb edit
undercloak (third-person singular simple present undercloaks, present participle undercloaking, simple past and past participle undercloaked)
- (construction, transitive) To apply such an underlayer to.