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.
Word forms: plural , 3rd person singular present tense tasks , present participle tasking , past tense , past participle tasked. 1. countable noun. A task is an activity or piece of work which you have to do, usually as part of a larger project. Walker had the unenviable task of breaking the bad news to Hill. She used the day to catch up with administrative tasks.