What is "satin grackle"

Satin \Sat"in\, n. [F. satin (cf. Pg. setim), fr. It. setino, from seta silk, L. saeta, seta, a thick, stiff hair, a bristle; or possibly ultimately of Chinese origin; cf. Chin. sz-t["u]n, sz-twan. Cf. Sateen.] A silk cloth, of a thick, close texture, and overshot woof, which has a glossy surface. Cloths of gold and satins rich of hue. --Chaucer. Denmark satin, a kind of lasting; a stout worsted stuff, woven with a satin twill, used for women's shoes. Farmer's satin. See under Farmer. Satin bird (Zo["o]l.), an Australian bower bird. Called also satin grackle. Satin flower (Bot.) See Honesty, 4. Satin spar. (Min.)

1. A fine fibrous variety of calcite, having a pearly luster.

2. A similar variety of gypsum.

   Satin sparrow (Zo["o]l.), the shining flycatcher ( Myiagra nitida) of Tasmania and Australia. The upper surface of the male is rich blackish green with a metallic luster.

   Satin stone, satin spar.