Pineal

/ˈpɪniəl/

Meaning & Definition

noun
Referring specifically to the pineal gland in the brain.
Disorders of the pineal can lead to sleep disruptions.
A small, conical gland located near the center of the brain.
The pineal is known for regulating circadian rhythms through melatonin secretion.
adjective
Relating to the pineal gland, a small endocrine gland in the brain that produces melatonin.
The researchers studied the pineal response to light in various species.
Describing structures that resemble a pine cone.
The pineal shape of the sculpture made it a unique centerpiece in the gallery.

Etymology

The word 'pineal' comes from the Latin 'pinea', meaning 'pine cone'.

Common Phrases and Expressions

pineal gland
A small, pea-shaped gland in the brain that produces melatonin, which affects sleep and circadian rhythms.
third eye
A metaphysical concept referring to a perceived invisible eye, often associated with enlightenment and intuition, sometimes linked to the pineal gland.

Related Words

melatonin
A hormone produced by the pineal gland that regulates sleep-wake cycles.
endocrine
Relating to hormones and the glands that secrete them.

Slang Meanings

Third eye or spiritual insight.
He said he was going to open his pineal to reach a higher consciousness.