Like a spheroid. Roughly spherical, approximately round, roughly ball shaped.(adjective)
A spheroid(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "spheroidal" in a sentence
"It appears that all 'spheroidal' galaxies have a supermassive black hole at the centre,"
"That does not make the spheroidal pebble the pinnacle of the art form."
"Red and gray chips of the world's most sophisticated nano-thermite, or super-thermite, are dispersed throughout the approximately 30,000 tons of dust generated in the demolitions of WTC 1, 2, and 7; so too are maybe 10 tons of tiny iron-rich spheroidal droplets, another signature of super-thermite explosives."