from
The Collaborative International Dictionary of English v.0.48
ivorybill \i"vo*ry*bill`\, Ivory-bill
\I"vo*ry-bill`\([imac]"v[-o]*r[y^]*b[i^]l`), 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.
[1913 Webster]