I. ˈlak-tē-əl adjective
Etymology: Latin lacteus of milk, from lact-, lac
Date: 1633
1. : relating to, consisting of, producing, or resembling milk
2.
a. : conveying or containing a milky fluid
b. : of or relating to the lacteals
II. noun
Date: 1680
: any of the lymphatic vessels arising from the villi of the small intestine and conveying chyle to the thoracic duct