|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
antimere an·ti·mere (ān'tĭ-mēr')
A segment of an animal body formed by planes cutting the axis of the body at right angles.
One of the corresponding parts of a bilaterally symmetrical organism.
The right or left half of the body.