Found 1 items, similar to Helispherical line.
English → English (gcide) Definition: Helispherical line Helispheric \Hel`i*spher"ic\, Helispherical \Hel`i*spher"ic*al\, a. [Helix + spheric, spherical.] Spiral. [1913 Webster] Helispherical line (Math.). the rhomb line in navigation. [R.] [1913 Webster]