Cyst
WordNet
noun
(1) A small anatomically normal sac or bladderlike structure (especially one containing fluid)
(2) A closed sac that develops abnormally in some body structure
WiktionaryText
Etymology
From , from
Noun
- A pouch or sac without opening, usually membranous and containing morbid matter, which develops in one of the natural cavities or in the substance of an organ.
Etymology
. Cognate with Old Saxon (Dutch ), Old High German .
Noun
cyst
- choice
- choicest, best
- excellence, good quality