Definition of papillae:
(n) :
Any of the small protuberances on the upper surface of the tongue often containing taste buds.
(n) :
(anatomy) A nipple-like protuberance on a part or organ of the body.
(n) :
Any of the vascular protuberances of the dermal layer of the skin extending into the epidermal layer and often containing tactile corpuscles.
(n) :
A vascular process of connective tissue extending into and nourishing the root of a hair, feather, or developing tooth.
(n) :
(botany) A small fleshy projection on a plant.