Pi'nus. 1

A genus of coniferous trees; the pines. 2. A family of plants including P., Larix, Abies, Thuja, Cupre us, Juniper us, Taxus, Ephedra, Casuarina, and Equisetum. 3. See pineal gland, under gland, balsa mum nativi pin i laricis. Venice turpentine, balsamum nativum pin i silvestris. Common turpentine, balsamum pin i laricis. Venice turpentine. oleum pin i silvestris. Pine needle oil. P. abies. Abies pin us. P. australis. Yellow pine; a species yielding much turpentine, resin, pitch, and tar through all seasons. P. pumilio. The up right coned mountain pine; a recumbent bush closely allied to P. silvestris; found on the Alps and the Car path i ans. It yields the oil of pine. P. silvestris. Birk apples; a tree of middle and northern Europe and northern Asia; a source of pitch, tar, and turpentine. An e ential oil, obtained by distillation from the leaves, is used in medicine {pine needle oil). pinworms. [Lat, See pin us.'] Oxyuris vermicular is.