What is "barley bird"

Barley \Bar"ley\, n. [OE. barli, barlich, AS. b[ae]rlic; bere barley + l[=i]c (which is prob. the same as E. like, adj., or perh. a form of AS. le[=a]c leek). AS. bere is akin to Icel, barr barley, Goth. barizeins made of barley, L. far spelt; cf. W. barlys barley, bara bread. ?92. Cf. Farina, 6th Bear.] (Bot.) A valuable grain, of the family of grasses, genus Hordeum, used for food, and for making malt, from which are prepared beer, ale, and whisky.

Barley bird (Zo["o]l.), the siskin.

Barley sugar, sugar boiled till it is brittle (formerly with a decoction of barley) and candied.

Barley water, a decoction of barley, used in medicine, as a nutritive and demulcent.