For·fi·cate a.  Zool. Deeply forked, as the tail of certain birds.
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  forficate
       adj : resembling a fork; divided or separated into two branches;
             "the biramous appendages of an arthropod"; "long
             branched hairs on its legson which pollen collects"; "a
             forked river"; "a forked tail"; "forked lightning";
             "horseradish grown in poor soil may develop prongy
             roots" [syn: bifurcate, biramous, branched, forked,
              pronged, prongy]