twig twig /ˈtwɪg/

noun

1. () A small branch or division of a branch (especially a terminal division); usually applied to branches of the current or preceding year  ( branchlet , sprig , twig )
   a small branch or division of a branch (especially a terminal division); usually applied to branches of the current or preceding year
    The tiny twig snapped under the weight of the snow.
   The tiny twig snapped under the weight of the snow.
   
   

verb

1. () Branch out in a twiglike manner  ( twig )
   branch out in a twiglike manner
    The lightning bolt twigged in several directions
   The lightning bolt twigged in several directions
   
2. Understand, usually after some initial difficulty  ( cotton on , get wise , latch on , catch on , get it , get onto , tumble , twig )
   understand, usually after some initial difficulty
    She didn't know what her classmates were plotting but finally caught on
   She didn't know what her classmates were plotting but finally caught on