The Collaborative International Dictionary of English v.0.48:
Measle \Mea"sle\, n. [OE. mesel, OF. mesel, LL. misellus, L. misellus unfortunate, dim. of miser. See Miser.] A leper. [Obs.] [Written also meazel, and mesel.] --Wyclif (Matt. x. 8. ). [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Mesel \Me"sel\, n. [See Measle.] A leper. [Obs.] [1913 Webster]