rash noun
ADJ. skin | itchy | allergic | heat, nappy, nettle
VERB + RASH have | break out in, come out in When I'm stressed I break out in a rash.
RASH + VERB appear, come out, spread The rash most commonly appears on the back.
PREP. ~ on He's got a slight rash on his chest.
You can also check other dicts: rash (English, 中文解释 ), wordnet sense, Collins Definition