Meaning of “warm” - Learner’s Dictionary

warm

adjective us uk /wɔːm/
She wriggled her toes in the warm sand.The children cuddled up to me to keep warm.In warm weather, germs multiply rapidly.If it's warm this evening, we could eat outdoors.These plants are better suited to a warm climate.
TEMPERATURE

A1 having a temperature between cool and hot:

It's nice and warm in here.
Are you warm enough?
Make sure you keep warm.
CLOTHES

A2 Warm clothes or covers keep your body warm:

a warm sweater
FRIENDLY

(Definition of “warm adjective” from the Cambridge Learner’s Dictionary © Cambridge University Press)