nounimmissārĭumIMMISSARIVM☆ KeepMeaninga cisternLewis & Short 1879ModernAs printed, 1879IMMISSARIUMLEWIS & SHORTIMMISSARIUMimmissārĭum (inm-), ĭi, n. immitto, I. a cistern or reservoir attached to an aqueduct, a distributing reservoir, Vitr. 8, 7.Read the whole entry