pineal
Americanadjective
-
resembling a pine cone
-
of or relating to the pineal gland
Other Word Forms
Etymology
Origin of pineal
1675–85; < New Latin pīneālis, equivalent to Latin pīne ( a ) pine cone, noun use of feminine of pīneus of a pine tree ( pīn ( us ) pine 1 + -eus -eous ) + -ālis -al 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The researchers argue that its evolutionary remains survive today as the pineal gland, a small organ located deep within the vertebrate brain.
From Science Daily ● Jul. 26, 2026
"It's mind-boggling that our pineal gland's ability to regulate our sleep according to light stems from the cyclopean median eye of a distant ancestor 600 million years ago," concludes Dan-E Nilsson.
From Science Daily ● Apr. 27, 2026
Melatonin is a hormone produced by the pineal gland that regulates the body's sleep-wake cycle.
From Science Daily ● Nov. 4, 2025
But in the case of cysts of the pineal gland, there is a large amount of information on the web which prompts patients to seek surgery for minor and often unrelated symptoms.
From BBC ● Dec. 4, 2024
Descartes solved this problem as best he could by claiming that mind acted on the body through the pineal gland.
From "The Invention of Science" by David Wootton
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