i·vo·ry·bill, I·vo·ry-bill n. Zool. A large, handsome, black-and-white North American woodpecker (Campephilus principalis), having a large, sharp, ivory-colored beak. Its general color is glossy black, with white secondaries, and a white dorsal stripe. The male has a large, scarlet crest. It is now rare, and found only in the Gulf States and Cuba.
 Syn: -- ivory-billed woodpecker, Campephilus principalis.

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 ivorybill
      n : large black-and-white woodpecker of southern United States
          and Cuba having an ivory bill; nearly extinct [syn: {ivory-billed
          woodpecker, Campephilus principalis]