pineal gland is a noun meaning "a small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin". It carries one recorded sense.
a small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin
Definitions, synonyms and semantic relations for pineal gland come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.