Webster's Revised Unabridged Dictionary · 1913

Pineal

Pineal , adjective

[Latin pinea the cone of a pine, from pineus of the pine, from pinus a pine: compare French pinéale.]

Of or pertaining to a pine cone; resembling a pine cone.
Collocations (1)
Pineal gland (Anatomy) , 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.