What is the meaning of Heather?

An evergreen plant, Calluna vulgaris, with spiky leaves and small purple, pink, or white flowers.

A plant in the family Ericaceae.

Various species of the genus Erica.

Various species of the genus Cassiope.

A purple colour with a tint of pink and blue.

The use of interwoven yarns of mixed colours to produce flecks.

Of a purple colour with a tint of pink and blue.

Source: wiktionary.org