v. [UNDER-1 4 b.] trans. and intr. To peer under.
1589. Puttenham, Eng. Poesie, III. vi. 128. Within they are stuffed full of browne paper and tow, which the shrewd boyes vnderpeering, do guilefully discouer and turne to a great derision.
1614. B. Jonson, Barth. Fair, II. v. Are you underpeering, you Baboon? up off my Hose, an you be Men.