A splotch is a small, irregular spot or stain on something. It can also refer to an area that has been marked with such spots or stains. The term comes from the Middle English word “splatch,” which means a sudden blow or stroke.
The color of the coat can be any of these; black, white, red, blue, fawn, brindle, or any of the colors with splotches of white. (breedersclub.net)
This is not even close to a new finding, but the new study shows more precisely where most of the heat has been going since 2006 (in the Southern Ocean outside the tropics; see the red splotches in the map below). (dotearth.blogs.nytimes.com)
I tried to do my legs myself and had a couple of splotches in certain areas. (missoliviasays.com)