v. [UN-2 3.] trans. (See quots., and cf. CLOY v.1 1 and 4. In this sense Obs.)
1611. Cotgr., Descloüer, to vnnayle, or vncloy: to loose, pull off, draw out, a nayle.
1627. Capt. Smith, Seamans Gram., xiv. 68. To uncloy her [sc. a gun], is to put oile about the naile to make it glib, and by a traine giue fire to her by her mouth, and so blow it out.