blotch
Plural
blotches
1
a stain that stands out from its surroundings, often uneven or discolored
- A red blotch appeared on his cheek after the allergic reaction.
- The painting had a dark blotch where the ink had spilled.
- She noticed a strange blotch on the wall near the ceiling.
- His shirt was stained with a blotch of mustard.
- The skin condition caused purple blotches across his arms.