Jacynth \j(a)-cyn-th, jacy-nth\ as a girl's name is a variant of Giacinta (Italian), Hyacinth (Greek) and Jacinda (Spanish), and the meaning of Jacynth is "hyacinth".
The baby name Jacynth sounds like Jacynthe, Jacyntha and Jacinth. Other similar baby names are Jacintha, Jacinta, Jacinthe, Jacenta and Jacynthia.