Definition of grab

• a mechanical device for gripping an object
• the act of catching an object with the hands; "Mays made the catch with his back to the plate"; "he made a grab for the ball before it landed"; "Martins snatch at the bridle failed and the horse raced away"; "the infielders snap and throw was a single motion"
• take hold of so as to seize or restrain or stop the motion of; "Catch the ball!"; "Grab the elevator door!"