n. [ NL. chylus, Gr. &unr_; juice, chyle, fr. &unr_; to pour: cf. F. chyle; prob. akin to E. fuse to melt. ] (Physiol.) A milky fluid containing the fatty matter of the food in a state of emulsion, or fine mechanical division; formed from chyme by the action of the intestinal juices. It is absorbed by the lacteals, and conveyed into the blood by the thoracic duct. [ 1913 Webster ]