noun
rash
RASH/ræʃ/
An area of irritated or inflamed skin.
The new soap leaves an itchy rash on her arms.

Etymology
The skin word's origin is uncertain. It may come from French rache, 'a sore,' ultimately associated with scraping; the suggested connection is the itching that accompanies a rash.
In context
… if you see a rash that appears inflamed or red relative to your skin tone, tends to be slightly scaly or oozy …
More examples
- He develops a rash after touching poison ivy.
- The rash on my neck fades after a few days.
- This cream helps soothe diaper rash.
Forms
rash · rashes
Similar words
- eruption
- A medical term emphasizing the appearance of spots or bumps.
- dermatitis
- Names skin inflammation as a condition, rather than its visible patch.