Grannys bend

from The Collaborative International Dictionary of English v.0.48

Granny \Gran"ny\, n.
   A grandmother; a grandam; familiarly, an old woman.
   [1913 Webster]

   {Granny's bend}, or {Granny's knot} (Naut.), a kind of
      insecure knot or hitch; a reef knot crossed the wrong way.
      [1913 Webster]