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English definition of “cotton on”

cotton on

informal
verb uk phrasal verb with cotton   /ˈkɒt.ən/ us    /ˈkɑː.t̬ən/
to begin to understand a situation or fact: I'd only just cottoned on to the fact that they were having a relationship.Understanding and comprehending
(Definition of cotton on from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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