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English definition of “tar”

tar

noun [U]  /tɑr/ us  

tar noun [U] (SUBSTANCE FOR ROADS)

a black substance, sticky when hot, used esp. for making roads

tar noun [U] (SUBSTANCE IN SMOKE)

a substance in tobacco smoke that causes harm to the lungs

tar

verb [T]  /tɑr/ (-rr-) us  

tar verb [T] (PUT ON ROADS)

to put tar on a surface, esp. a road: They’ll be tarring our street this week.
(Definition of tar from the Cambridge Academic Content Dictionary © Cambridge University Press)
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