twig1 Syllabification: (twig)Pronunciation: /twig/Translate twig | into French | into German | into Italian | into Spanish Definition of twig noun a slender woody shoot growing from a branch or stem of a tree or shrub. Anatomy a small branch of a blood vessel or nerve. Derivatives twigged adjective twiggy adjective Origin: Old English twigge, of Germanic origin; related to Dutch twijg and German Zweig, also to twain and twotwig in other Oxford dictionaries Definition of twig in the British & World English dictionary