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⇱ pineal - WordReference.com Dictionary of English

- See Also:
- - pine mouse
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pineal

US:USA pronunciation: respellingUSA pronunciation: respelling(pin′ē əl, pī′nē-, pī nē′-)

in Spanish | in French | in Italian | English synonyms | English Usage | Conjugator | in context | images

WordReference Random House Unabridged Dictionary of American English © 2026

pin•e•al (pin′ē əl, pī′nē-, pī nē′-),USA pronunciation adj.

resembling a pine cone in shape.
Anatomyof or pertaining to the pineal body.

Neo-Latin pīneālis, equivalent. to Latin pīne(a) pine cone, noun, nominal use of feminine of pīneus of a pine tree (pīn(us) pine¹ + -eus -eous) + -ālis -al¹
1675–85

'pineal' also found in these entries (note: many are not synonyms or translations):

endocrine gland - epiphysis - pineal eye - pineal gland - third eye - epithalamus - habenula - melatonin - parietal eye - pineal apparatus - pineal body

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Calcified pineal gland

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