Hypertext Webster Gateway: "papilla"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Papilla \Pa*pil"la\, n.; pl. {Papill[ae]}. [L., a nipple,
pimple.]
Any minute nipplelike projection; as, the papill[ae] of the
tongue.
From WordNet (r) 1.7 (wn)
papilla
n 1: a small nipple-shaped protuberance concerned with taste,
touch, or smell; "the papillae of the tongue"
2: a small projection of tissue at the base of a hair or tooth
or feather
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