| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
papaverine pa·pav·er·ine (pə-pāv'ə-rēn', -ər-ĭn)
n.
A nonaddictive opium derivative used medicinally to relieve spasms of smooth muscle.