Grasp  —v. 1 a clutch at; seize greedily. B hold firmly. 2 (foll. By at) try to seize; accept avidly. 3 understand or realize (a fact or meaning). —n. 1 firm hold; grip. 2 (foll. By of) a mastery (a grasp of the situation). B mental hold.  grasp the nettle tackle a difficulty boldly. [earlier grapse: related to *grope]