Medical Dictionary
3 ENTRIES FOUND:

periwinkle

noun per·i·win·kle \ˈper-i-ˌwiŋ-kəl\

Definition of PERIWINKLE

:  any of several trailing or woody evergreen plants of the dogbane family (Apocynaceae); especially :  rosy periwinkle
April 01, 2015
diapause Hear it
a period of physiological dormancy
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears