yellowback

noun

Definition of yellowback

  1. 1 :  gold certificate

  2. 2 :  a cheap and usually sensational novel; especially :  one sold in yellow board or paper covers in the late 19th and early 20th centuries

  3. 3 :  a freshwater mussel (Lampsilis anodontoides) of the Mississippi valley and southeastern U.S. having a heavy shell covered with yellow periostracum and highly valued for mother-of-pearl

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Origin and Etymology of yellowback

1yellow + back


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