Search pineal pineal /pin″ē·əl/ [L, pineus, pine cone] , 1. pertaining to the pineal body. 2. resembling a pine cone. Tweet Telegram VK Random Words ulcerative colitis nafcillin sodium parenchymatous Brown-Adson forceps cardiac thrombosis thyroarytenoid muscles colistin sulfate external fixation cervical mucus method of family planning