en.wiktionary.orgcoas - Wiktionary, the free dictionary From Wiktionary, the free dictionary coas plural of coa Saco, saco, SOCA, OACs, Asco, Caso, soca, ocas, SCAO, AOCs From contraction of preposition con (“with”) + feminine plural definite article as (“the”). coas f pl (masculine co, feminine coa, masculine plural cos) with the See the etymology of the corresponding lemma form. coas second-person singular present indicative of coar See the etymology of the corresponding lemma form. coas second-person singular present indicative of coar coas (obsolete) Contraction of com as. coas f pl plural of coa