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hydatid

American  
[hahy-duh-tid] / ˈhaɪ də tɪd /

noun

  1. a cyst with watery contents that is produced in humans and animals by a tapeworm in the larval state; cysticerus.

  2. a cystic vestige of an embryonic feature.


adjective

  1. Also hydatidinous of or relating to a hydatid.

  2. containing or affected by hydatids.

hydatid British  
/ ˈhaɪdətɪd /

noun

  1. a large bladder containing encysted larvae of the tapeworm Echinococcus: causes serious disease in man

  2. Also called: hydatid cyst. a sterile fluid-filled cyst produced in man and animals during infestation by Echinococcus larval forms

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of hydatid

1675–85; < Greek hydatid- (stem of hydatís ) watery vesicle


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Jones was then referred to "the main expert on hydatid cysts" in London where he had two operations in 2018 and 2019 to remove them, one from each lung.

From BBC ● Aug. 2, 2026

But researchers say there is recent evidence of hydatid disease appearing again in sheep and dogs.

From BBC ● Aug. 2, 2026

Meredydd Jones, who is 86 and lives in Trecastle in Powys, was diagnosed with hydatid disease – a rare condition which is a particular risk to sheep farmers.

From BBC ● Aug. 2, 2026

Jones was in hospital for 10 days, and says the doctors there suspected he had hydatid cysts immediately.

From BBC ● Aug. 2, 2026

The pig, in its domestic state, is subject to the attacks of a hydatid, from which the wild animal is free; hence the disease called measles in pork. 

From Vestiges of the Natural History of Creation by Robert Chambers

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