O"pen-air` (?), a. Taking place in the open air; outdoor; as, an
open-air game or meeting.
O"pen*bill` (?), n. (Zoöl.) 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.
O"pen*er (?), n. One who, or that which, opens. "True opener of my
eyes." Milton.
O"pen-eyed` (?), a. With eyes widely open; watchful; vigilant. Shak.
O"pen-hand`ed (?), a. Generous; liberal; munificent. --
O"pen-hand`ed*ness, n. J. S. Mill.