unˈtop,v. [un-2 4. Cf. top v.1] trans. To deprive of a top. Also fig. 1598Florio, Disculminare, to vntop, to vnroofe, or vntile a house.1630J. Taylor (Water P.) Bk. MartyrsWks. iii. 141/1 So our Eliza stoutly did begin Untopping and beheading Romish sin.[1775Ash.]