Definition of earth ball:
(n) :
(uncountable) A sport involving this ball, somewhat resembling soccer/football.
(n) :
A very large inflatable ball used in some sports.
(n) :
Alternative spelling of earthball (“type of fungus”). [A fungus of the genus Scleroderma within the family Sclerodermataceae.]
(n) :
Alternative spelling of earth ball (“sport or ball”). [A very large inflatable ball used in some sports.]