n. A common venomous serpent of the United States, Trigonocephalus or Ancistrodon contortrix.n. Hence During the civil war in the United States, a northern sympathizer with the rebellion: so called by the Unionists.n. A term of ridicule or contempt applied to the early Dutch colonists of New York.n. A private token, equal to one cent, struck in the United States during the Civil War.n. In ornithology, the yellow-headed blackbird, Xanthocephalus xanthocephalus. of the western United States: so called from the reddish-yellow color of its head.