freesiaPronunciation: /ˈfriːzɪə/Definition of freesia noun a small southern African plant with fragrant, colourful, tubular flowers, many varieties of which are cultivated for the cut-flower trade. Genus Freesia, family Iridaceae Origin:modern Latin, named after Friedrich H. T. Freese (died 1876), German physicianfreesia in other Oxford dictionaries Definition of freesia in the US English dictionary