(str. var.) a. Having three forks or prongs; trifurcate.

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1535–1887.  [see FORKED ppl. a. 1 f].

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1615.  Crooke, Body of Man, 375. Within these vesselles are certaine values or leafe-gates…. Some of these are three-forcked, some like halfe Moones.

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a. 1678.  Marvell, Horatian Ode. Like the three-forked lightning:

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1822.  Hortus Angl., II. 165. C. Tricuspidatus. Three-forked Stock. Leaves lyre-shaped; pods three toothed at the tip.

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