n. 1 a a small piece of paper esp. for writing on. b a long narrow strip of thin wood, paper, etc. c a printer's proof on such paper; a galley proof. 2 a cutting taken from a plant for grafting or planting, a scion. slip of a small and slim (a slip of a girl).
[ ME, prob. f. MDu., MLG slippe cut, strip, etc. ]