Definition of subcontinents:
(n) :
The Indian subcontinent, South Asia.
(n) :
A large landmass which is either smaller than a continent (such as Greenland), or part of an even larger continent (such as the Indian subcontinent).
(n) :
Alternative letter-case form of subcontinent (“the Indian subcontinent”). [A large landmass which is either smaller than a continent (such as Greenland), or part of an even larger continent (such as the Indian subcontinent).]