WordNet: great circle
a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center
- hypernym line
- hyponym ecliptic
- hyponym equator
- hyponym celestial horizon, horizon
- hyponym hour circle
- hyponym line of longitude, meridian
- hyponym vertical circle
great circle
- (suomi) isoympyrä (synonyymi)
- (suomi) isoympyräreitti (synonyymi)