twin definition, meaning - what is twin in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “twin”

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twin

noun [C] uk   us   /twɪn/
B1 either of two children born to the same mother on the same occasion: My sister has twin sons. a twin sister one of two very similar things: The two countries are often regarded as economic twins.
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twin

adjective [before noun] uk   us   /twɪn/
used to describe two similar things that are a pair: twin towers a car with twin exhausts existing at the same time: his twin obsessions - women and cars

twin

verb uk   us   /twɪn/ UK
be twinned with If a town in one country is twinned with a town in another country, the two towns have a special relationship: Cambridge is twinned with Heidelberg.
(Definition of twin from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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