aquatic UK /əˈkwæ.tɪk/US /əˈkwɑ.tɪk/adjective 1noun 1forms 3 adjective1 •Relating to water; living in or near water, taking place in water. noun1 •Any aquatic plant.In such a cistern the present and other hardy aquatics may be grown with success. — 1835 formsaquatics · more aquatic · most aquatic
