1.
1. Having a milky look; becoming milky.
2. Producing milk or a milklike juice or fluid, as the milkweed. See Latex.
Origin: L. Lactescens, p. Pr. Of lactescere to turn to milk, incho. Fr. Lactere to be milky, fr. Lac, lactis, milk: cf. F. Lactescent.
Source: Websters Dictionary
(01 Mar 1998)