Definition of Baker's cyst in English:

Baker's cyst

Pronunciation /ˈbeɪkəz sɪst/


  • A cyst formed by the displacement of synovial fluid from inside a joint; especially one occurring behind the knee, often associated with osteoarthritis or rheumatoid arthritis.


Late 19th century; earliest use found in The British Medical Journal. From the genitive of the name of William Morrant Baker, British surgeon, who first described this type of cyst in 1877 + cyst.