D defs.my
Entry 2 senses · 2 variants Webster, 1913

mainstream

· main·stream · IPA /meɪn.stɹiːm/
01 n. The prevailing opinion or practise; as, the doctor avoided using therapies outside the mainstream of modern medical practice.
  1. 1.
    The prevailing opinion or practise; as, the doctor avoided using therapies outside the mainstream of modern medical practice.
02 v. t. TO place (a student) in regular school classes; -- used especially of mentally or physically handicapped children.
  1. 1.
    TO place (a student) in regular school classes; -- used especially of mentally or physically handicapped children.(Education)