magpie

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various birds of the family Corvidae having a long tail and black, blue, or green plumage with white markings, and noted for their chattering call, especially Pica hudsonia, of western North America, and P. pica, of Eurasia and Africa.
• noun Any of various birds that resemble the magpie.
• noun A person who chatters.
• noun One who compulsively collects or hoards small objects.

from The Century Dictionary.

• noun A breed of small domesticated pigeons having the head, the under side of the body, and the long flight-feathers white, and the rest of the plumage clear black, red, yellow, or blue: the line between the two colors should be sharply defined. The name is derived from the suggestion of a magpie found in the black-and-white variety.
• noun A black-and-white costume for women in which the contrasts are very marked, the masses of color being large.
• noun A well-known bird of Europe, Asia, and America, of the genus Pica and family Corvidœ; the Pica pica, P. rustica, P. caudata, or P. hudsonica.
• noun The magpie-shrike.
• noun A halfpenny.
• noun A bishop: so called from the black and white of his robes.
• noun Among British marksmen, a shot striking that division of the target which is next to the outermost when the target is divided into four sections: so called because the markers indicate this hit by means of a black and white disk.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Zoöl.) Any one of numerous species of the genus Pica and related genera, allied to the jays, but having a long graduated tail.
• noun Any one of several black-and-white birds, such as Gymnorhina tibicen, not belonging to the genus Pica.
• noun A talkative person; a chatterbox.
• noun (Zoöl.) a common Australian bird (Grallina picata), conspicuously marked with black and white; -- called also little magpie.
• noun (Zoöl.) a black and white European geometrid moth (Abraxas grossulariata); the harlequin moth. Its larva feeds on currant and gooseberry bushes.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun One of several kinds of bird in the family Corvidae, especially Pica pica.
• noun A superficially similar Australian bird, Gymnorhina tibicen.
• noun Someone who displays a magpie-like quality such as collecting, or committing robbery.
• noun slang Fan or member of Newcastle United F.C.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun long-tailed black-and-white crow that utters a raucous chattering call
• noun someone who collects things that have been discarded by others
• noun an obnoxious and foolish and loquacious talker