Definition of prickly heat
: a noncontagious cutaneous eruption of red pimples with intense itching and tingling caused by inflammation around the sweat ducts
First Known Use of prickly heat
PRICKLY HEAT Defined for English Language Learners
Definition of prickly heat for English Language Learners
medical : a skin rash that people sometimes get during hot weather
Seen and Heard
What made you want to look up prickly heat? Please tell us where you read or heard it (including the quote, if possible).