| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
communication com·mu·ni·ca·tion (kə-my&oomacr;'nĭ-kā'shən)
n.
The exchange of thoughts, messages, or information, as by speech, signals, writing, or behavior.
An opening or a connecting passage between two structures.
A joining or connecting of solid fibrous structures, such as tendons and nerves.