coudé
adjective
cou·dé kü-ˈdā 
: of, relating to, or being a telescope constructed so that the light is reflected along the polar axis to come to a focus at a point where the holder for a photographic plate or a spectrograph may be mounted
Word History
Etymology
French coudé bent like an elbow, from coude elbow, from Latin cubitum
First Known Use
circa 1889, in the meaning defined above