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English definition of “tack sth on”

tack sth on

informal phrasal verb with tack     /tæk/ verb
to add something that you had not planned to add , often without much preparation or thought : At the last minute they tacked on a couple of extra visits to my schedule .Augmenting and supplementing
(Definition of tack sth on from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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to pour liquid slowly over something, especially in a thin line or in small drops

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