noun, plural papillae [puh-pil-ee] .
any small, nipplelike process or projection.
one of certain small protuberances concerned with the senses of touch, taste, and smell: the papillae of the tongue.
a small vascular process at the root of a hair.
a papule or pimple.

1400–50; late Middle English < Latin: nipple, teat, diminutive of papula pimple. See pap2

papillar [pap-uh-ler, puh-pil-er] , adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
papilla (pəˈpɪlə)
n , pl -lae
1.  the small projection of tissue at the base of a hair, tooth, or feather
2.  any other similar protuberance
3.  any minute blunt hair or process occurring in plants
[C18: from Latin: nipple; related to Latin papula pimple]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

papilla pa·pil·la (pə-pĭl'ə)
n. pl. pa·pil·lae (-pĭl'ē)

  1. A small nipplelike projection, such as a protuberance on the skin, at the root of a hair or feather, or at the base of a developing tooth.

  2. One of the small, round or cone-shaped protuberances on the top of the tongue that contain taste buds.

  3. A pimple or pustule.

pap'il·lar'y (pāp'ə-lěr'ē, pə-pĭl'ə-rē) adj.
pap'il·late' (pāp'ə-lāt', pə-pĭl'ĭt) adj.
pap·il·lose (pāp'ə-lōs', pə-pĭl'ōs') adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
papilla   (pə-pĭl'ə)  Pronunciation Key 
Plural papillae (pə-pĭl'ē)
A small part projecting from the surface of an organism. In mammals, the nipples of the mammary glands and the taste buds of the tongue are papillae. Papillae are often seen on the undersurfaces of mosses and ferns.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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