papilla

noun

pa·​pil·​la pə-ˈpi-lə How to pronounce papilla (audio)
plural papillae pə-ˈpi-(ˌ)lē How to pronounce papilla (audio)
-ˌlī
: a small projecting body part similar to a nipple in form:
a
: a vascular process of connective tissue extending into and nourishing the root of a hair, feather, or developing tooth see hair illustration
b
: any of the vascular protuberances of the dermal layer of the skin extending into the epidermal layer and often containing tactile corpuscles
c
: any of the small protuberances on the upper surface of the tongue often containing taste buds
papillate adjective
papillose
ˈpa-pə-ˌlōs How to pronounce papilla (audio)
pə-ˈpi-ˌlōs
adjective

Examples of papilla in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In this procedure, a tiny camera and surgical tools are used to open and widen the papilla without open surgery. Jonathan B. Jassey, Verywell Health, 18 Apr. 2025 Peptides stimulate the dermal papilla cells in hair follicles to support growth and strengthen hair shafts, while biotin boosts keratin production for thicker, more resilient brow hairs. Christa Joanna Lee, Allure, 19 Dec. 2024 In normal skin, osteopontin comes from dermal papilla, which sit at the base of hair follicles. Max G. Levy, WIRED, 12 July 2023 The dermal papilla need vitamin D to grow properly, which then affects the health of individual strands and the scalp as a whole. Amber Smith, Discover Magazine, 22 Apr. 2022

Word History

Etymology

Latin, nipple, from diminutive of papula pimple; akin to Lithuanian papas nipple

First Known Use

1671, in the meaning defined above

Time Traveler
The first known use of papilla was in 1671

Browse Nearby Words

Cite this Entry

“Papilla.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/papilla. Accessed 9 Sep. 2025.

Kids Definition

papilla

noun
pa·​pil·​la pə-ˈpil-ə How to pronounce papilla (audio)
plural papillae -ˈpil-ē How to pronounce papilla (audio)
-ˌī
: a small bodily structure (as one on the surface of the tongue that often contains taste buds) that resembles a tiny nipple in form

Medical Definition

papilla

noun
pa·​pil·​la pə-ˈpil-ə How to pronounce papilla (audio)
plural papillae -ˈpil-(ˌ)ē How to pronounce papilla (audio) -ˌī How to pronounce papilla (audio)
: a small projecting body part similar to a nipple in form: as
a
: a vascular process of connective tissue extending into and nourishing the root of a hair, feather, or developing tooth
b
: any of the vascular protuberances of the dermal layer of the skin extending into the epidermal layer and often containing tactile corpuscles
d
: any of the small protuberances on the upper surface of the tongue see circumvallate papilla, filiform papilla, fungiform papilla, interdental papilla, optic papilla

More from Merriam-Webster on papilla

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!