(a) A natural or man-made depression in the ground, hole, pit, ditch; cave; also fig.; also, an open excavation from which some mineral product is obtained or in which some industrial process is……
(a) To scour, polish; polish or scour (metal, a pot, etc.); furbish (armor); ?also, fig. of a day: be bright and clear [quot.: a1375]; scouren bright (clene, neue), make (sth.) bright (clean, new) by……
For all words beginning with sw- from here to the end of this volume [of the print MED], the practice of the MED is to record all variant forms except those beginning with su-; forms with su- are……
