Dictionary definition · jab
noun
- a sharp hand gesture (resembling a blow)"he warned me with a jab with his finger"
- a quick short straight punch
- the act of touching someone suddenly with your finger or elbow"she gave me a sharp dig in the ribs"
verb
- poke or thrust abruptly"he jabbed his finger into her ribs"
- strike or punch with quick and short blows
- stab or pierce"he jabbed the piece of meat with his pocket knife"
Source: Open English WordNet (CC BY 4.0).