1. (

• periwinkle ,

) chiefly trailing poisonous plants with blue flowers ;

2. (

• periwinkle ,
• rose_periwinkle ,
• Madagascar_periwinkle ,
• old_maid ,
• Cape_periwinkle ,
• red_periwinkle ,
• cayenne_jasmine ,
• Catharanthus_roseus ,
• Vinca_rosea

) commonly cultivated Old World woody herb having large pinkish to red flowers ;

3. (

• periwinkle ,
• winkle

) small edible marine snail; steamed in wine or baked ;

4. (

• periwinkle ,
• winkle

) edible marine gastropod ;