First Known Use: 1683
Dictionary
hydatid
noun hy·da·tid \ˈhī-də-təd, -ˌtid\
Definition of HYDATID
: the larval cyst of a tapeworm (genus Echinococcus) occurring as a fluid-filled sac containing daughter cysts in which scolices develop
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Origin of HYDATID
Greek hydatid-, hydatis watery cyst, from hydat-, hydōr
Medical Dictionary
hydatid
noun hy·da·tid \ˈhīd-ə-təd, -ˌtid\
Medical Definition of HYDATID
1
: the larval cyst of a tapeworm of the genus Echinococcus that usually occurs as a fluid-filled sac containing daughter cysts in which scolices develop but that occasionally forms a proliferating spongy mass which actively metastasizes in the host's tissues—called also hydatid cyst; see echinococcus 1
2
a : an abnormal cyst or cystic structure; especially : hydatidiform mole b : hydatid disease
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