un- + seam
unseam (third-person singular simple present unseams, present participle unseaming, simple past and past participle unseamed)
- (transitive) To open the seam or seams of; to rip; to cut open.
- 1603-06, William Shakespeare, Macbeth (act 1, scene 2)
- Till he unseam'd him from the nave to th' chaps, and fix'd his head upon our battlements.