'Lacteal' definitions:

Definition of 'lacteal'

adjective

Relating to or consisting of or producing or resembling milk; "lacteal fluids"; "lacteal organs"

noun

Any of the lymphatic vessels that convey chyle from the small intestine to the thoracic duct

From: GCIDE

Lacteal \Lac"te*al\, a. [L. lacteus milky, fr. lac, lactis, milk. Cf. Galaxy, Lettuce.]
1. Pertaining to, or resembling, milk; milky; as, the lacteal fluid. [1913 Webster]
2. (Anat. & Physiol.) Pertaining to, or containing, chyle; as, the lacteal vessels. [1913 Webster]

From: GCIDE

Lacteal \Lac"te*al\, n. (Anat.) One of the lymphatic vessels which convey chyle from the small intestine through the mesenteric glands to the thoracic duct; a chyliferous vessel. [1913 Webster]