From cow + finch, after bull in bullfinch.
cowfinch (plural cowfinches)
- (rare) A female bullfinch
1988, S. Baboo, Guide to Gracious Lesbian Living, Lilitha, page 20:The cowfinch, for example, simply acquires the song of the lesbian who tends her, whether this lesbian is a cowfinch or not.
2016, Janet Shepperson, Vinnie's Wilderness[1], Liberties Press, →ISBN, page 23:'Do you get cowfinches?' she asked. 'Yup. Cowfinches are a sort of brownish grey, and they eat just as much blossom, but nobody notices because they're so unobtrusive.'