Polishing in example sentence
She paused, and then added, with a sort of assumed indifference, but still in a marked and significant tone--"But you are young, Miss; and I should say a light sleeper: perhaps you may have heard a noise?""I did," said I, dropping my voice, so that Leah, who was still polishing the panes, could not hear me, "and at first I thought it was Pilot: but Pilot cannot laugh; and I am certain I heard a laugh, and a strange one."