Definition of “warm” - Learner’s Dictionary

warm

adjective uk us /wɔːm/
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)