noun

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