<p><strong>Noun</strong></p><ul><li>either of two corvine birds, Pica pica black-billed magpie, of Eurasia and North America, or P. nuttalli yellow-billed magpie, of California, having long, graduated tails, black-and-white plumage, and noisy, mischievous habits.</li><li>any of several related corvine birds.</li><li>any of several black-and-white birds not related to the true magpies, as Gymnorhina tibicen, of Australia.</li><li>an incessantly talkative person; noisy chatterer; chatterbox.</li><li>a person who collects or hoards things, especially indiscriminately.</li><li>Western U.S. a black-and-white cow or steer, as a Holstein.</li></ul>