The Collaborative International Dictionary of English v.0.48:

Strickle \Stric"kle\, n. [See Strike.]
   1. An instrument to strike grain to a level with the measure;
      a strike.
      [1913 Webster]

   2. An instrument for whetting scythes; a rifle.
      [1913 Webster]

   3. (Founding) An instrument used for smoothing the surface of
      a core.
      [1913 Webster]

   4. (Carp. & Mason.) A templet; a pattern.
      [1913 Webster]

   5. An instrument used in dressing flax. [Prov. Eng.]
      [1913 Webster]

WordNet (r) 3.0 (2006):

strickle
    n 1: an implement for sharpening scythes
    2: a tool or rod used to level off grain or other granular
       material that is heaped in a measure
    3: a tool used in a foundry to shape a mold in sand
    v 1: level off with a strickle in a measuring container;
         "strickle sand"
    2: smooth with a strickle; "strickle the grain in the measure"
       [syn: strickle, strike]