Definition of dreamers:
(n) :
One who dreams.
(n) :
Someone whose beliefs are far from realistic.
(n) :
A swallow-winged puffbird (Chelidoptera tenebrosa)
(n) :
Any anglerfish of the family Oneirodidae.
(n) :
(US) An undocumented immigrant who is qualified for relief under the DREAM Act.
(n) :
Alternative letter-case form of DREAMer. [(US) An undocumented immigrant who is qualified for relief under the DREAM Act.]