grab -- (a mechanical device for gripping an object)
catch, grab, snatch, snap -- (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"; "Martin's snatch at the bridle failed and the horse raced away"; "the infielder's snap and throw was a single motion")
Overview of verb grab
The verb grab has 6 senses
catch, grab, take hold of -- (take hold of so as to seize or restrain or stop the motion of; "Catch the ball!"; "Grab the elevator door!")
snap up, snaffle, grab -- (get hold of or seize quickly and easily; "I snapped up all the good buys during the garage sale")
grab -- (make a grasping or snatching motion with the hand; "The passenger grabbed for the oxygen mask")
grab -- (obtain illegally or unscrupulously; "Grab power")
grab -- (take or grasp suddenly; "She grabbed the child's hand and ran out of the room")
grab, seize -- (capture the attention or imagination of; "This story will grab you"; "The movie seized my imagination")