adjective suffix Etymology: Latin -aceus 1. a. characterized by; full of Example: setaceous b. consisting of Example: diatomaceous; having the nature or form of Example: tuffaceous 2. a. of or relating to a group of animals typified by (such) a form Example: cetaceous or characterized by (such) a feature Example: crustaceous b. of or relating to a plant family Example: solanaceous

Энциклопедический словарь Мерриама-Вебстера