a yellow-white, more or less viscid substance produced by suppuration and found in abscesses, sores, etc., consisting of a liquid plasma in which white blood cells are suspended. Origin of pus. Latin.
Definition of task. 1  1a : a usually assigned piece of work often to be finished within a certain timeb : something hard or unpleasant that has to be donec : duty, function. 2  2 : subjection to adverse criticism : reprimand âused in the expressions to take, call, or bring to task.
task, duty, and job mean a piece of work assigned or to be done. task is used for work given by a person in a position of authority. The boss used to give me every difficult task. duty is used when a person has responsibility to do the work. The duty of police is to protect people. job may mean that the work is necessary, hard, or important