v. [f. UNDERCLOTH-ING.] trans. To provide with underclothing.
1857. Putnam’s Monthly Mag., March, 244/1. We were, one and all, stoutly underclothed with flannel.
1904. G. B. Shaw, Comm. Sense Municipal Trading, 70. If you have to choose between underclothing your daughter comfortably [etc.].
