spherical polygon
Noun

A figure on the surface of a sphere bounded by arcs of 3 or more great circles (synset 113906260)
hypernym: polygon, polygonal shape  a closed plane figure bounded by straight sideshyponym: spherical triangle  a spherical polygon formed by the arcs of 3 great circles
Other Searches
 Rhyme: Dillfrog, RhymeZone
 Definition: Wiktionary, Dictionary.com, Wikipedia, MerriamWebster, WordNet
 Imagery: Google, Flickr, Bing