Openbill \O"pen*bill`\, n. (Zo["o]l.) A bird of the genus {Anastomus}, allied to the stork; -- so called because the two parts of the bill touch only at the base and tip. One species inhabits India, another Africa. Called also {open-beak}. See Illust. (m), under {Beak}.
openbill n : stork with a grooved bill whose upper and lower parts touch only at the base and tip