The Collaborative International Dictionary of English v.0.48:
Furcate \Fur"cate\, Furcated \Fur"ca*ted\, a. [L. furca fork. See Fork.] Forked; branching like a fork; as, furcate twigs. [1913 Webster]WordNet (r) 3.0 (2006):
furcate v 1: divide into two or more branches so as to form a fork; "The road forks" [syn: branch, ramify, fork, furcate, separate]