Word Study
sphericle |
spherics |
spherobacteria |
spheroconic |
spherocyte |
spherograph
| spheroid
| spheroid joint
| spheroidal
| spheroidic
| spheroidical
spherograph
CIDE DICTIONARY
spherograph, n. [Sphere + -graph.].
An instrument for facilitating the practical use of spherics in navigation and astronomy, being constructed of two cardboards containing various circles, and turning upon each other in such a manner that any possible spherical triangle may be readily found, and the measures of the parts read off by inspection. [1913 Webster]
For further exploring for "spherograph" in Webster Dictionary Online
(NT only) to listen to the NET Bible 
