viscousa.[L. viscosus. See Viscid.] Adhesive or sticky, and having a ropy or glutinous consistency; viscid; glutinous; clammy; tenacious; as, a viscous juice.()()n.[L.]1. (Bot.) A genus of parasitic shrubs, including the mistletoe of Europe.()2. Birdlime, which is often made from the berries of the European mistletoe.()n.[L., perhaps akin to E. viscid.] (Anat.) One of the organs, as the brain, heart, or stomach, in the great cavities of the body of an animal; -- especially used in the plural, and applied to the organs contained in the abdomen.()