The Collaborative International Dictionary of English v.0.48:

Grab \Grab\ (gr[a^]b), v. t. & i. [imp. & p. p. Grabbed
   (gr[a^]bd); p. pr. & vb. n. Grabbing.] [Akin to Sw. grabba
   to grasp. Cf. Grabble, Grapple, Grasp.]
   To gripe suddenly; to seize; to snatch; to clutch.
   [1913 Webster]