Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: pineal gland
  1. A small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin
    - pineal body, epiphysis cerebri, epiphysis

Derived forms: pineal glands

Type of: ductless gland, endocrine, endocrine gland

Encyclopedia: Pineal gland