(anatomy) A short venous trunk of the face that is formed by the union of veins from the pterygoid plexus and that joins with the superficial temporal vein to form a vein which contributes to the formation of the external jugular vein.

(geology) A crack in the surface of the Earth which contains mineral matter.

(nonstandard) Alternative spelling of azygos vein

(anatomy) Either of the two large veins of which each drains blood from one of the kidneys and empties into the inferior vena cava.

(anatomy) A vein that drains blood from the spleen and empties into the hepatic portal vein.

(anatomy) a vein running up the right side of the thoracic vertebral column draining itself towards the superior vena cava

(pathology) An abnormally swollen or dilated vein. / (in the plural) The medical condition of having such veins, especially in the legs.

(anatomy) Any of several veins on each side of the neck, which drain the brain, face and neck of deoxygenated blood.

(anatomy) In tetrapods, a vein that returns blood to the heart after it has circulated through the lungs.

(usually in the plural, informal, medicine) A blood vessel affected by telangiectasia.