guksad noun English. The foot of a hill, mountain, waterfall; base of a boulder, rock. Example sentence: Subanen. Kig baga dia Giligan kia, mabu' gembagel linaw dia guksaden, pu' metaas gupia kelebu'an tubig. English. The waterfall there in Iligan probably has a large pool at its base, because the water falls a long way.