The Collaborative International Dictionary
Lactescent
Lactescent \Lac*tes"cent\, a. [L. lactescens, p. pr. of lactescere to turn to milk, incho. fr. lactere to be milky, fr. lac, lactis, milk: cf. F. lactescent.]
Having a milky look; becoming milky. [Obs.]
(Bot.) Producing milk or a milklike juice or fluid, as the milkweed. See Latex.
Wiktionary
lactescent
a. milky