three-pronged
3.A long, three-pronged fork or weapon, especially a three-pronged spear used for fishing.
5.herbivorous or carnivorous dinosaur having a three-pronged pelvis like that of a crocodile.
6.At the end of the day, the three-pronged policy America is already pursuing in Iraq may very well be the best of a bad lot.
7.As part of the three-pronged strategy announced in his Budget Speech in March 1999 for reforming the securities and futures markets in Hong Kong, the Financial Secretary appointed a Steering Committee on the Enhancement of the Financial Infrastructure (SCEFI) to study and recommend the necessary improvements to the financial infrastructure in Hong Kong.

