noun Download 🔗Share The pia mater, the innermost of the meninges that protect the brain and spinal cord Examples : "The surgeon carefully separated the delicate pia from the brain's surface during the operation. " anatomy organ body medicine physiology Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A perennial Polynesian herb whose fleshy tubers yield arrowroot. Examples : "My grandmother grows pia in her garden and uses the tubers to make a delicious gluten-free pudding. " plant vegetable food agriculture Chat with AIVocabulary GamePractice Reading