[f. med.L. bifurcātus two-forked (cf. BIFURCOUS and -ATE); at first only in the pa. pple., which is also generally used as an adj.] To divide into two forks, branches or peaks: a. trans.
1615. Crooke, Body of Man, 905. The utter of these two vneqvall branches is presently byfurcated.
b. intr.
1831. R. Knox, Cloquets Anat., 746. Sometimes, at its termination, it [Vena Azygos] bifurcates.
Hence Bifurcated, Bifurcating ppl. a.
1615. Crooke, Body of Man, 977. The spinall processes of the necke are byfurcated.
1811. Pinkerton, Petral., II. 345. Which renders the summit of Etna properly bifurcated.
1845. Darwin, Voy. Nat., xx. (1873), 478. [The] atoll is divided by a bifurcating channel.
1853. Th. Ross, Humboldts Trav., III. xxv. 17. The northern branch of the bifurcated river.