1. of, relating to, or resembling milk; milky
Usage: rare or archaic; literary
2. of or relating to the Milky Way galaxy
Usage: rare; astronomical

Examples

• The lactean fluid had a smooth, creamy texture.
• Ancient astronomers gazed at the lactean band of stars stretching across the night sky.
• The lactean appearance of the substance suggested it contained milk proteins.
• Medieval texts sometimes used lactean imagery to describe celestial phenomena.