1) blemish, spot, defect 1a) of physical defect 1b) of moral stain
Full Brown-Driver-Briggs lexicon entry
מאוּםnoun masculineJob 31:7blemish, defect (for מְאוּם, which, although found only late, is (si vera lectio) apparently original form, .Köii. 146); — ׳מ absolute: