milky /ˈmɪlki/ adjective7 •pale white in color and often not clear enough to see throughhis sword, / Which was declining on the milky head / Of reverend Priam, seem'd i' the air to stick: […] — 1599 •(of a plant or grain) full of a white juiceShot up from broad rank blades that droop below, / The nodding WHEAT-EAR forms a graceful bow, / With milky kernels starting full, weigh’d down, / Ere yet the sun hath ting’d its head with brown; […] — 1800 •(informal) dark gray instead of fully black, said of the black areas of a picture or screen •Containing (an especially large amount of) milk.Mrs. Anthony, their daily housekeeper, brought in the milky coffee and placed it on the breakfast table. — 1959 •(informal) behaving or thinking like a small child instead of like an adultGone is your fighting Youth, whom you have bred / From milkie Childhood to the years of bloud! — 1651 •(informal) easily frightened and without the courage to face dangerHas friendship such a faint and milky heart? — 1605 •(no longer used) Producing milk, lactating.As great a noyse, as when in Cymbrian plaine / An heard of Bulles, whom kindly rage doth sting, / Doe for the milky mothers want complaine, / And fill the fieldes with troublous bellowing, — 1590 formsmilkier · milkiest