cheerio

n. [ OF. chevrel, F. chevreau, kid, dim. of chevre goat, fr. L. capra. See Caper, v. i. ] Soft leather made of kid skin. Fig.: Used as a symbol of flexibility. [ Obs. ] [ 1913 Webster ]

Here's wit of cheveril, that stretches from an inch narrow to an ell broad. Shak. [ 1913 Webster ]