pentad noun English. Gravelly, mixed gravel and sand, usu. at the shore of a body of water; gravel, sand, shore. Example sentence: Subanen. Kalabung sug baa' kitu, maika' da, lemen laak misapuli pentad. English. That flood yesterday wasn't a big one; the beach barely disappeared. Example sentence: Subanen. Baa, ma'antuun ta daw kig buu, pekpanawpanaw, peglelekagang dia pentad, baybay. English. Intj., let's tell about this tortoise; it is going, crawling along the sand, the beach.