Bifurcation/ˌbaɪfərˈkeɪʃn/ Definition 1 of 4Pro Tip 1/2Physical Separation Refers to actual pathways dividing, like roads or paths, not abstract ideas. After the bifurcation, take the left branch to reach the village. Pro Tip 2/2Literal Forking Use 'bifurcation' when the separation creates a 'Y' shape, not just any division. The bifurcation at the old oak tree has been a landmark for years.