early 17th cent. (as a verb): partly an alteration of obsolete plotchin the same sense (of unknown origin), influenced by blot; partly a blend of blotand botch
英英釋義行業釋義網絡釋義
noun
1.an irregularly shaped spot
vern
1.mark with spots or blotches of different color or shades of color as if stained
農學
1.疤斑
醫學
1.污斑,污點
-blotch
1 . 斑點
bloody sweat 血汗blotch斑點blowing wound 開放性氣胸
2 . 污點
blossom type catheter 開花式導尿管blotch污點,斑點blotter 吸墨紙,吸油