| 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. |
| phyllotaxy (fĭl'ə-tāk'sē) Pronunciation Key
The pattern of leaf distribution and arrangement on a stem. phyllotactic adjective |