The words of Amos, who was among the sheepbreeders of Tekoa, which he saw concerning Israel in the days of Uzziah king of Judah, and in the days of Jeroboam the son of Joash, king of Israel, two years before the earthquake. a. Looking for the definition of AMOSC? Find out what is the full meaning of AMOSC on Abbreviations.com! 'Add Me On Snap Chat' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource.