Ō'pen-bill, n.
n. (Ornith.) 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, leaving an open space in the middle.
n. (Ornith.) 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, leaving an open space in the middle.