'Pineal' definitions:
Definition of 'pineal'
(from WordNet)
adjective
Relating to the pineal body; "pineal hormone"
adjective
Having the form of a pine cone
Definition of 'Pineal'
From: GCIDE
- Pineal \Pi"ne*al\, a. [L. pinea the cone of a pine, from pineus of the pine, from pinus a pine: cf. F. pin['e]ale.] Of or pertaining to a pine cone; resembling a pine cone. [1913 Webster]
- Pineal gland (Anat.), a glandlike body in the roof of the third ventricle of the vertebrate brain; -- called also pineal body, epiphysis, conarium. In some animals it is connected with a rudimentary eye, the so-called pineal eye, and in other animals it is supposed to be the remnant of a dorsal median eye. [1913 Webster]