lacteal adjective 3noun 2forms 3 adjective3 •Relating to milk. •Relating to milk production.lacteal ducts in the breasts •Relating to, or containing, chyle.the lacteal vessels noun2 •[in the plural] Each of the lymphatic vessels which convey chyle from the mesentery to the thoracic duct.These ‘veins’ must have been the lacteals or chyle-vessels, whose function was explained by Aselli some two thousand years later. — 1997 •(no longer used) One of the lactiferous ducts or other components of milk-producing organs. formslacteals · more lacteal · most lacteal
