Keslop \Kes"lop\ (k[e^]s"l[o^]p), n. [AS. c[=e]selib, or c[=y]slyb, milk curdled; cf. G. k[aum]selab, k[aum]selippe. See {Cheese}, and cf.{Cheeselep}.] The stomach of a calf, prepared for rennet. --Halliwell. [1913 Webster]