Source : Webster's Revised Unabridged Dictionary (1913)

Grasp \Grasp\, v. t. [imp. & p. p. {Grasper}; p. pr. & vb. n.
   {Qraspine}.] [OE. graspen; prob. akin to LG. grupsen, or to
   E. grope. Cf. {Grab}, {Grope}.]
   1. To seize and hold by clasping or embracing with the
      fingers or arms; to catch to take possession of.

            Thy hand is made to grasp a palmer's staff. --Shak.

   2. To lay hold of with the mind; to become thoroughly
      acquainted or conversant with; to comprehend.