What does "grab" mean?

Additional senses

1. 2.An instrument for clutching objects for the purpose of raising them; -- specially applied to devices for withdrawing drills, etc., from artesian and other wells that are drilled, bored, or driven. Grab hag, at fairs, a bag or box holding small articles which are to be drawn, without being seen, on payment of a small sum. [Colloq.] -- Grab game, a theft committed by grabbing or snatching a purse or other piece of property. [Colloq.]