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

Word History


yellow entry 1 + back

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near yellowback

Cite this Entry

“Yellowback.” Dictionary, Merriam-Webster, Accessed 13 Jun. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!