/ ˈnɒstrəm; NAmE ˈnɑːs-/ noun
1.
( formal , disapproving ) an idea that is intended to solve a problem but that will probably not succeed
2.
( old-fashioned ) a medicine that is not made in a scientific way, and that is not effective
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WORD ORIGIN
early 17th cent.: from Latin , used in the sense (something) of our own making, neuter of noster our.