ac·ti·noph·rys \ˌaktəˈnäfrə̇s, akˈtinəf-\noun Etymology: New Latin, from actin- + Greek ophrys brow, rim — more at brow 1.capitalized: a genus of protozoans (order Heliozoa) widely distributed in stagnant water 2.pluralactinophrys: a protozoan of the genus Actinophrys