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English definition of “imperial”

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imperial

adjective uk   /ɪmˈpɪə.ri.əl/ us    /-ˈpɪr.i-/

imperial adjective (EMPIRE)

belonging or relating to an empire or the person or country that rules it: Imperial China Britain's imperial past the Imperial palace imperial grandeur
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imperial adjective (MEASUREMENT)

The imperial system of measurement uses units such as inches, miles, and pints: Imperial units have in many cases been replaced by metric ones in Britain.
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(Definition of imperial from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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