9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook hi·lar shad·ow radiographic hilum of the lung; a composite radiographic shadow of the central pulmonary arteries and veins, with associated bronchial walls and lymph nodes, within the right or left lung. ...
Define hilar. hilar synonyms, hilar pronunciation, hilar translation, English dictionary definition of hilar. n. pl. hi·la 1. a. The scar on a seed, such as a bean, indicating the point of attachment to the funiculus. b. The nucleus of a starch grain. 2