'Cyst' definitions:
Definition of 'cyst'
From: WordNet
noun
A closed sac that develops abnormally in some body structure
noun
A small anatomically normal sac or bladderlike structure (especially one containing fluid) [syn: vesicle, cyst]
Definition of 'Cyst'
From: GCIDE
- Cyst \Cyst\ (s[i^]st), n. [Gr. ky`stis bladder, bag, pouch, fr. ky`ein to be pregnant. Cf. Cyme.]
- 1. (Med.) (a) A pouch or sac without opening, usually membranous and containing morbid matter, which is accidentally developed in one of the natural cavities or in the substance of an organ. (b) In old authors, the urinary bladder, or the gall bladder. [Written also cystis.] [1913 Webster]
- 2. (Bot.) One of the bladders or air vessels of certain alg[ae], as of the great kelp of the Pacific, and common rockweeds (Fuci) of our shores. --D. C. Eaton. [1913 Webster]
- 3. (Zool.) (a) A small capsule or sac of the kind in which many immature entozoans exist in the tissues of living animals; also, a similar form in Rotifera, etc. (b) A form assumed by Protozoa in which they become saclike and quiescent. It generally precedes the production of germs. See Encystment. [1913 Webster]
Synonyms of 'cyst'
From: Moby Thesaurus
- benign tumor,
- boil,
- bump,
- bunion,
- callosity,
- callus,
- cancer,
- carbuncle,
- carcinoma,
- corn,
- dilatation,
- dilation,
- distension,
- edema,
- excrescence,
- fungosity,
- fungus,
- furuncle,
- growth,
- intumescence,
- lump,
- malignant growth,
- metastatic tumor,
- mole,
- morbid growth,
- neoplasm,
- nevus,
- nonmalignant tumor,
- outgrowth,
- pimple,
- pock,
- proud flesh,
- pustule,
- rising,
- sarcoma,
- sebaceous cyst,
- swell,
- swelling,
- swollenness,
- tumefaction,
- tumescence,
- tumidity,
- tumor,
- turgescence,
- turgescency,
- turgidity,
- verruca,
- wart,
- wen