BLACKBIRD n.
In England, a species of thrush (Turdus merula), a singing bird with a fin note; the merle. In America the name is given to several birds, as the Quiscalus versicolor, or crow blackbird; the Agelæus phoeniceus, or red-winged blackbird; the cowbird; the rusty grackle, etc. See Redwing.
BLUE a.
[Eng. Slang] Carlyle. -- Blue spar (Min.), azure spar; lazulite. See Lazulite. -- Blue thrush (Zoöl.), a European and Asiatic thrush (Petrocossyphus cyaneas). -- Blue verditer. See Verditer. -- Blue vitriol (Chem.), sulphate of copper, a violet blue crystallized salt, used in electric batteries, calico printing, e…