hydatid

English

Etymology

Borrowed from Ancient Greek ὑδατίς (hudatís, “watery vesicle”).

Noun

hydatid (plural hydatids)

1. A cyst due to infection by larvae of some species of the tapeworm Echinococcus.
   • 1820, Percy Bysshe Shelley, Oedipus Tyrannus; Or, Swellfoot The Tyrant: A Tragedy in Two Acts:

     Your sacred Majesty, he has the dropsy;—
     We shall find pints of hydatids in’s liver,
     He has not half an inch of wholesome fat
     Upon his carious ribs—

Derived terms

• hydatidiform
• hydatid of Morgagni