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.
n. 1  1. A piece of work assigned or done as part of one's duties. 2  2. A difficult or tedious undertaking: Finding qualified people to fill these specialized roles was a real task. 3  3. A function to be performed; an objective: It is our task to renew consumer confidence.