jab jab /ˈdʒæb/

noun

1. () A quick short straight punch  ( jab )
   a quick short straight punch
   
2. () A sharp hand gesture (resembling a blow)  ( poke , poking , thrust , jab , jabbing , thrusting )
   a sharp hand gesture (resembling a blow)
    He warned me with a jab with his finger
   he warned me with a jab with his finger
    He made a thrusting motion with his fist
   he made a thrusting motion with his fist
   
3. The act of touching someone suddenly with your finger or elbow  ( dig , jab )
   the act of touching someone suddenly with your finger or elbow
    She gave me a sharp dig in the ribs
   she gave me a sharp dig in the ribs
   

verb

1. () Poke or thrust abruptly  ( dig , prod , stab , jab , poke )
   poke or thrust abruptly
    He jabbed his finger into her ribs
   he jabbed his finger into her ribs
   
2. () Strike or punch with quick and short blows  ( jab )
   strike or punch with quick and short blows
   
3. Stab or pierce  ( jab , stab )
   stab or pierce
    He jabbed the piece of meat with his pocket knife
   he jabbed the piece of meat with his pocket knife