Definitions for "Grain Short"
The grain of the paper is parallel to the short dimension of a sheet of paper, or at right angles to the long dimension. E.g. 64 x 45cm, short grain, indicates that the grain is travelling in the 45cm direction.
Grain running along the width, or short side, of a sheet of paper (35"x23"). Fibers line up parallel to the short side of the paper.
Indicating that the grain direction runs the smaller dimension of a piece of material.