unplumbing

Verb

unplumb (third-person singular simple present unplumbs, present participle unplumbing, simple past and past participle unplumbed)

1. (transitive) To remove the lead from.
   • If the Independents of those times did not, as Mr. Burke says, “Unplumb the dead to cast bullets to fire at the living,” it appears that their rapacity and avarice, stimulated by the same ideas, induced them to lead the way to the same object; […]1807, The European Magazine, and London Review, volume 52, page 263

See all 2 meanings of unplumb