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.