Definitions of grab:

• noun:   a mechanical device for gripping an object
• noun:   the act of catching an object with the hands

  Example: "He made a grab for the ball before it landed"

• verb:   make a grasping or snatching motion with the hand

  Example: "The passenger grabbed for the oxygen mask"

• verb:   obtain illegally or unscrupulously

  Example: "Grab power"

• verb:   capture the attention or imagination of

  Example: "This story will grab you"

• verb:   take or grasp suddenly

  Example: "She grabbed the child's hand and ran out of the room"

• verb:   take hold of so as to seize or restrain or stop the motion of

  Example: "Grab the elevator door!"

• verb:   get hold of or seize quickly and easily