Trinette \t-ri-nette, trin(et)-te\ as a girl's name is a variant of Catherine (Greek), Katherine (Greek) and Trina (Scandinavian), and the meaning of Trinette is "pure".
The baby name Trinette sounds like Trinnette, Trinadette and Trinitee. Other similar baby names are Toinette, Tonette, Arnette, Ornette, Brunette, Reinette and Twanette.