ORNITHOTOMIST
Or`ni*thot"o*mist, n.

Defn: One who is skilled in ornithotomy.

ORNITHOTOMY
Or`ni*thot"o*my, n. Etym: [Gr.

Defn: The anatomy or dissection of birds.

OROGRAPH
Or"o*graph, n. [Gr. mountain + -graph.] (Surveying)

Defn: A machine for use in making topographical maps. It is operated by being pushed across country, and not only records distances, like the perambulator, but also elevations.

OROGRAPHIC; OROGRAPHICAL
Or`o*graph"ic, Or`o*graph"ic*al, a.

Defn: Of or pertaining to orography.

OROGRAPHY
O*rog"ra*phy, n. Etym: [Gr. -graphy.]

Defn: That branch of science which treats of mountains and mountain systems; orology; as, the orography of Western Europe.