some of several birds, specially regarding the genus Calcarius associated with north United States, Canada, in addition to Arctic, having brownish plumage and long-clawed hind toes.
a particular sort of bird, of this genus Calcarius; this has an extended claw on the hind toe of every foot.
anybody of a number of species of fringilline wild birds of this genus Calcarius (or Plectrophanes), and allied genera. The Lapland longspur (Calcarius Lapponicus), the chestnut-colored longspur (Calcarius ornatus), as well as other types, inhabit the United States.
In ornithology, a bird regarding the genus Centrophanes (or Calcarius): same as lark-bunting, 1.
A theory or system of social reform which contemplates a complete reconstruction of society with a more just and equitable distribution of property and labor In popular usage the term is often employed to indicate any lawless revolutionary social scheme See Communism Fourierism Saint Simonianism forms of socialism...