verb

• (transitive) To grip suddenly; to seize; to clutch.
  "I grabbed her hand to pull her back from the cliff edge."
• (intransitive) To make a sudden grasping or clutching motion (at something).
  "The suspect suddenly broke free and grabbed at the policeman's gun."
• (transitive) To grip the attention of; to enthrall or interest.
  "How does that idea grab you?"
• (informal) To quickly collect, retrieve, or take.
  "Come in and grab a seat [i.e. sit down]."

noun

• (countable) A sudden snatch at something.
  "The ball popped in and popped out, and when he made a grab for it on the ground he kicked it with his foot."
• (countable) An acquisition by violent or unjust means.
• (countable) A mechanical device that grabs or clutches.
  "Almost all modern cranes are electrically operated and a quick-acting type of 30 cwt. capacity is suitable for general cargo, but not powerful enough to operate grabs for discharge of bulk cargoes."
• (countable) A mechanical device that grabs or clutches.

noun

• (Malaysia, Singapore, Philippines, Vietnam, informal) A taxi ride booked through the Grab app.
  "I will take a Grab back home. ("I will book a taxi ride from Grab to return home.")"