Abila US/ɑˈbilʌ/ uncommon noun 1. a promontory in northern Morocco opposite the Rock of Gibraltar; one of the Pillars of Hercules SynonymsJebel MusaAbyla Related words Broader terms promontory Parts MoroccoPillars of Hercules WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.