noun🔗ShareThe pia mater, the innermost of the meninges that protect the brain and spinal cord"The surgeon carefully separated the delicate pia from the brain's surface during the operation. "anatomyorganbodymedicinephysiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareA perennial Polynesian herb whose fleshy tubers yield arrowroot."My grandmother grows pia in her garden and uses the tubers to make a delicious gluten-free pudding. "plantvegetablefoodagricultureChat with AIVocabulary GamePractice Reading
