pineal/ˈpɪnɪəl/EtymologyFrom French pinéal, from Middle French, from Latin pīnea (“pine cone, pine nut”), from pīneus (“of the pine”).pineal means In the shape of a pine cone. Lexicurio rates it Rare gem — a strength score of 77 out of 100.adjIn the shape of a pine cone.Pertaining to the pineal gland.nounThe pineal gland.“Because of its central location and its solitary nature — most structures in the brain come in pairs, but the pineal stands alone — the philosopher René Descartes concluded that the pineal is where the soul resides.”