Answer:

blotch

Answer	Crossword Clue
BLOTCH	Mottle
BLOTCH	Ink stain
BLOTCH	Stain

BLOTCH	Large stain
BLOTCH	Irregular spot
BLOTCH	Measles mark
BLOTCH	Blemish
BLOTCH	Ink spot, e.g.
BLOTCH	Obliteration
BLOTCH	Irregularly shaped spot
BLOTCH	Discoloration

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.