The Collaborative International Dictionary
Lactiferous
Lactiferous \Lac*tif"er*ous\, a. [l. lac, lactis, milk + -ferous: cf. F. lactif[`e]re.] Bearing or containing milk or a milky fluid; as, the lactiferous vessels, cells, or tissue of various vascular plants.
Wiktionary
lactiferous
a. Bearing or containing milk or a milky fluid.