expectorated matter; saliva mixed with discharges from the respiratory passages; in ancient and medieval physiology it was believed to cause sluggishness
protective secretion of the mucous membranes; in the gut it lubricates the passage of food and protects the epithelial cells; in the nose and throat and lungs it can make it difficult for bacteria to penetrate the body through the epithelium
characterized by physical misery; "a wet miserable weekend"; "spent a wretched night on the floor"
very unhappy; full of misery; "he felt depressed and miserable"; "a message of hope for suffering humanity"; "wretched prisoners huddled in stinking cages"