|the offspring of a zebra and a donkey.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
lagena la·ge·na (lə-jē'nə)
n. pl. la·ge·nae (-nē)
One of the three parts of the membranous labyrinth of the inner ear of nonmammalian vertebrates.