[f. ppl. stem of assumed L. *furcāre, f. furca FORK sb.] intr. To form a fork; to divide into branches.

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1846.  Dana, Zooph. (1848), 79. These lines frequently furcate or give out lateral branches. Ibid., 198. Stems straight, furcating. Ibid. (1852), Crust., I. 142. Another small fissure, which furcates a short distance above.

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