Formed into a forklike shape; having a fork; dividing into two or more prongs or branches; furcated; bifurcated; zigzag; as, the forked lighting.
source: Webster 1913
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.