noun ·Moderate ·College level

Definitions

Noun

1. 1
   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.
2. 2
   a small anatomically normal sac or bladderlike structure (especially one containing fluid) wordnet
3. 3
   a closed sac that develops abnormally in some body structure wordnet

Synonyms

All synonyms

anatomybenign tumorboilbotanybumpbunion

Example

More examples

"Angela was in the hospital to have a cyst drained."

Etymology

From Late Latin cystis, from Ancient Greek κύστις (kústis, “anatomical sac”).

Related phrases

benign massencapsulated nodegall bladderurinary bladder

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.