Source : Webster's Revised Unabridged Dictionary (1913)

Stook \Stook\, n. [Scot. stook, stouk; cf. LG. stuke a heap,
   bundle, G. stauche a truss, bundle of flax.] (Agric.)
   A small collection of sheaves set up in the field; a shock;
   in England, twelve sheaves.

Stook \Stook\, v. t. [imp. & p. p. {Stooked}; p. pr. & vb. n.
   {Stooking}.] (Agric.)
   To set up, as sheaves of grain, in stooks.