MOP  , a . bunch of

cloth, rags or coarse yarn, fastened to a pole and serving as a broom or brush for swabbing up wet floors or other surfaces and for cleaning generally . The word is usually taken to be an adaptation of Lat. mappa, cloth, napkin, cf . " map." A particular application of the term in provincial English is to an annual hiring or statute-fair, a " mop-fair," at which domestic and agricultural servants out of places attended, carrying a broom, a mop or other implement indicative of their calling .