Emily Dickinson Lexicon

POCK, n. [Sax. poc or pocc; D. pok; G. pocke; Dan. pukkel; W. pwg, that swells out; Ir. bocam, to swell, coinciding with G. bauch, D. buik, Dan. bug, the belly, Eng. big, &c.; probably all of one family.]

A pustule raised on the surface of the body in the veriolous and vaccine diseases, named from the pustules, small pox, or as it ought to be written, small pocks.