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Webster 1913 Edition

Noun.

[Cf. F.

Arabisme

An Arabic idiom peculiarly of language.

Stuart.

Noun.

An Arabic idiom or peculiarity of language.

Arabism ‎(plural Arabisms)

An idiom characteristic of the Arabic language.
- 2011, David Bellos, Is That a Fish in Your Ear?, Penguin 2012, p. 111:
  The translator, Joseph-Charles Mardrus, knew Arabic and he used some Arabic texts as the basis of his rewriting of the collection of ancient Eastern tales which he titled, in a daring Arabism in French, Les Milles Nuits et Une Nuit [...].
(Can we find and add a quotation of Stuart to this entry?)

an idiom characteristic of the Arabic language