blotch

noun

1. a large, irregular spot or blot.
2. Plant Pathology.
   1. a diseased, discolored spot or area on a plant.
   2. a disease so characterized, usually accompanied by cankers and lesions.
3. a skin eruption; blemish.

verb (used with object)

4. to mark with blotches; blot, spot, or blur: The floor of the forest was blotched with cool, dark moss.

adjective

5. Textiles. of or relating to blotch printing, or to the colored ground produced by this process.

noun

1. an irregular spot or discoloration, esp a dark and relatively large one such as an ink stain

verb

2. to become or cause to become marked by such discoloration
3. (intr) (of a pen or ink) to write or flow unevenly in blotches

1. Any of several plant diseases caused by fungi and resulting in brown or black dead areas on leaves or fruit.