1. (n.) A blot or spot, as of color or of ink; especially a large or irregular spot. Also Fig.; as, a moral blotch.

2. (n.) A large pustule, or a coarse eruption.

band bar bedarken besmirch bespangle bespeckle bespot birthmark black blacken blackwash blaze blaze a trail blemish bloodstain blot blur brand caste mark chalk chalk up charcoal check check off checker checkmark cicatrix cicatrize cork cut dab dapple dappledness dappleness darken dash daub define delimit demarcate denigrate dinge discolor discoloration dot dottedness earmark ebonize engrave engraving eyesore flake fleck flick flyspeck freckle freckliness gash graving hack harlequin hatch impress imprint ink iris jot lentigo line macula maculate maculation macule make a mark marble marbleize mark mark off mark out marking melanize mole motley mottle mottledness murk nevus nick nigrify notch oversmoke patch pencil pepper point pointillage pointillism polka dot polychrome polychromize prick print punch punctuate puncture rainbow riddle scar scarification scarify score scotch scratch scratching seal seam shade shadow smear smirch smoke smouch smudge smut smutch soil soilage soilure soot spangle spatter speck speckle speckliness splash splatter splotch spot spottedness spottiness sprinkle stain stamp stigma stigmatize stipple stippledness stippling strawberry mark streak striate stripe stud taint tarnish tattoo tattoo mark tessellate tick tick off tittle trace underline underscore variegate vein watermark