(noun) one in official command especially of a military force or base
(noun) the person (as an employer or supervisor) who tells people and especially workers what to do
Definitions for Mucus
(noun) protective secretion of the mucus 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