Meaning of “label” - Learner’s Dictionary

label

verb [ T ] uk us /ˈleɪbəl/ (present participle mainly UK labelling, past tense and past participle labelled, present participle US labeling, past tense and past participle labeled)
INFORMATION

to fix a small piece of paper or other material to something which gives information about it:

All food has to be labelled with 'best before' or 'use by' dates.
DESCRIBE

to describe the qualities of someone or something using a word or phrase, usually in a way that is not fair:

[ often passive ] They've been unfairly labelled as criminals.

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