Resembling a rainbow. / Pertaining to a positively viewed diversity in gender and/or sexuality.

Resembling a rainbow; displaying a range of colours.

Resembling a rainbow.

plural of rainbowfish

Any of the small colourful freshwater fish in the family Melanotaeniidae, native to northern and eastern Australia, New Guinea and Indonesia.

Rhadinocentrus ornatus, a species of eastern-Australian rainbowfish.