Definition from Wiktionary, the free dictionary
- (colloquial) A cocker spaniel
- 1897, Rawdon Briggs Lee, A History and Description of the Modern Dogs of Great Britain and Ireland, page 227
- 1931, "Garden Dog Show to Start Tuesday", in New York Times, Feb 8, 1931
- The merry Cocker now is one of the most popular of breeds.
- 1967, Fresno Bee, The, September 1, 1967, Fresno, California
- Again, the merry cocker is coming back.