prongy adj 1: 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}, {fork-like}, {forficate}, {pronged}, {prongy}]