Meaning of SEMI in English

SEMI

/ ˈsemi; NAmE / noun ( pl. semis )

1.

( BrE , informal ) a semi-detached house (= one that is joined to another house by one shared wall) :

suburban semis

2.

( NAmE ) = semi-trailer

3.

= semi-final

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WORD ORIGIN

early 20th cent.: abbreviation.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.