The definition of a twig is a small branch on a tree.(noun)
A little tree branch growing off of a larger branch is an example of a twig.
See twig in Webster's New World College Dictionary
Origin: ME twigge < OE, akin to Ger zweig < IE *dwigho- < base *dwöu-, two: prob. with reference to the forking of the twig
See twig in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old English twigge; see dwo- in Indo-European roots.
verb twigged twigged, twig·ging, twigs
Origin: Irish Gaelic tuigim, I understand
Origin: , from Old Irish tuicim.
Origin: Origin unknown.
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