ORBY
Orb"y, a. Etym: [From 2d Orb.]
Defn: Orblike; having the course of an orb; revolving. [Obs.] "Orby hours." Chapman.
ORC
Orc, n. Etym: [L. orca: cf. F. orque.] (Zoöl.)
Defn: The grampus. [Written also ork and orch.] Milton.
ORCADIAN
Or*ca"di*an, a. Etym: [L. Orcades the Orkney Islands.]
Defn: Of or pertaining to the Orkney Islands.
ORCEIN
Or"ce*in, n. (Chem.)
Defn: A reddish brown amorphous dyestuff,
ORCHAL
Or"chal, n.
Defn: See Archil.